Download SERVICE MANUAL - DCNE Ductless and VRF

FILE NO. SVM-13069-4
SERVICE MANUAL
SPLIT TYPE
Indoor Unit
<High Wall, Heat Pump Type>
Outdoor Unit
<Heat Pump Type>
RAS-09EKV-UL RAS-09EAV-UL
RAS-12EKV-UL RAS-12EAV-UL
RAS-09EKV-UL RAS-09EAV2-UL
RAS-12EKV-UL RAS-12EAV2-UL
R410A
Revised on Jun, 2014
CONTENTS
FILE NO. SVM-13069-3
1. SAFETY PRECAUTIONS .......................................................................... 3
2. SPECIFICATIONS ..................................................................................... 6
3. REFRIGERANT R410A ............................................................................. 8
4. CONSTRUCTION VIEWS ........................................................................ 16
5. WIRING DIAGRAM .................................................................................. 18
6. SPECIFICATIONS OF ELECTRICAL PARTS ......................................... 22
7. REFRIGERANT CYCLE DIAGRAM ........................................................ 23
8. CONTROL BLOCK DIAGRAM ................................................................ 26
9. OPERATION DESCRIPTION ................................................................... 28
10. INSTALLATION PROCEDURE ................................................................ 53
11. HOW TO DIAGNOSE THE TROUBLE ...................................................... 70
12. HOW TO REPLACE THE MAIN PARTS ................................................... 97
13. EXPLODED VIEWS AND PARTS LIST ................................................. 113
–2–
FILE NO. SVM-13069
1. SAFETY PRECAUTIONS
Installing, staring up, and servicing air-conditioning equipment can be hazardous due to system pressures, electrical
components, and equipment location (roofs, elevated structures, etc.).
Only trained, qualified installers and service mechanics should install, start-up, and service this equipment.
Untrained personnel can perform basic maintenance functions such as cleaning coils. All other operations should be
performed by trained service personnel.
When working on the equipment, observe precautions in the literature and on tags, stickers, and labels attached to the
equipment.
Follow all safety codes, Wear safety glasses and work gloves. Keep quenching cloth and fire extinguisher near by
when brazing. Use care in handling, rigging, and setting bulky equipment.
Read these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit.
Consult local building codes and National Electrical Code (NEC) for special requirements. Recognize safety information.
This is the safety-alert symbol ! . When you see this symbol on the unit and in instructions or manuals, be alert to the
potential for personal injury. Understand these signal words : DANGER, WARNING, and CAUTION. These words are
used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in severs personal injury or death. WARNING signifies
hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which may result
in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in
enhanced installation, reliability, or operation.
Before installation, please read these precautions for safety carefully.
Be sure to follow the precautions provided here to avoid safety risks. The symbols and their meanings are shown below.
WARNING : It indicates that incorrect use of this unit may cause severe injury or death.
CAUTION : FAILURE TO FOLLOW THIS CAUTION may result in equipment damage or improper operation and
personal injury.
•
•
CAUTION
New refrigerant air conditioner installation
•
•
THIS AIR CONDITIONER USES THE NEW HFC REFRIGERANT (R410A), WHICH DOES NOT DESTROY THE
OZONE LAYER.
R410A refrigerant is affected by inpurities such as water and oils because the pressure of R410A refrigerant is approx.
1.6 times of refrigerant R22.
ALSO NEW OILS ARE USED WITH R410A, THUS ALWAYS USE NEW REFRIGERANT PIPING AND DO NOT
ALLOW MOISTURE OR DUST TO ENTER THE SYSTEM.
To avoid mixing refrigerant and refrigerant machine oil, the sizes of charging port on the main unit is different than
those used on R22 machines and different tools will be required.
EQUIPMENT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage or improper operation.
Do not bury more than 36 in. (914 mm) of refrigerant pipe in the ground. If any section of pipe is buried, there must
be a 6 in. (152 mm) vertical rise to the valve connections on the outdoor units. If more than the recommended length
is buried, refrigerant may migrate to the cooter buried section during extended periods of system shutdown. This
causes refrigerant slugging and could possibly damage the compressor at start-up.
− 3−
FILE NO. SVM-13069
DANGER
•
•
•
•
•
•
•
•
FOR USE BY QUALIFIED PERSONS ONLY.
TURN OFF MAIN POWER SUPPLY BEFORE.ATTEMPTING ANY ELECTRICAL WORK. MAKE SURE ALL POWER
SWITCHES ARE OFF. FAILURE TO DO SO MAY CAUSE ELECTRIC SHOCK.
CONNECT THE CONNECTING CABLE CORRECTLY. IF THE CONNECTING CABLE IS CONNECTED WRONGLY,
ELECTRIC PARTS MAY BE DAMAGED.
CHECK THE EARTH WIRE THAT IT IS NOT BROKEN OR DISCONNECTED BEFORE INSTALLATION.
DO NOT INSTALL NEAR CONCENTRATIONS OF COMBUSTIBLE GAS OR GAS VAPORS.
FAILURE TO FOLLOW THIS INSTRUCTION CAN RESULT IN FIRE OR EXPLOSION.
TO PREVENT OVERHEATION THE INDOOR UNIT AND CAUSING A FIRE HAZARD, PLACE THE UNIT WELL AWAY
(MORE THAN 2 M) FROM HEAT SOURCES SUCH AS RADIATORS, HEATERS, FURNACE, STOVES, ETC.
WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN, BE VERY CAREFUL NOT
TO GET THE SPECIFIED REFRIGERANT (R410A) WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION
CYCLE. IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT, THE GAS PRESSURE IN THE REFRIGERATION
CYCLE BECOMES ABNORMALLY HIGH AND IT RESULTINGLY CAUSES BURST OF THE PIPE AND INJURIES ON
PERSONS.
IN THE EVENT THAT THE REFRIGERANT LEAK, DURING INSTALLATION WORK, IMMEDIATELY ALLOW FRESH AIR
INTO THE ROOM. IF THE REFRIGERANT GAS IS HEATED BY FIRE OR SOMETHING ELSE, IT CAUSE GENERATION
OF POISONOUS GAS.
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position. There may
be more than 1 disconnect switch. Lock out and tag switch with a suitable warning label.
• Never modify this unit by removing any of the safety guards or bypassing any of the safety interlock switches.
• Installation work must be purformed by qualified personnel only.
• Specified tools and pipe parts for model R410A are required, and installation work must be done in accordance with the
manual. HFC type refrigerant R410A has 1.6 times more pressure than that of conventional refrigerant (R22). Use the
specified pipe parts, and ensure correct installation, otherwise damage and/or injury may be caused. At the same time,
water leakage, electrical shock, and fire may occur.
• Be sure to install the unit in a place which can sufficiently bear its weight. If the load bearing of the unit is not enough, or
installation of the unit is improper, the unit may fall and result in injury.
• Electrical work must be performed by trained, qualified installers and service mechanics in accordance with the code governing
such installation work, internal wiring regulations, and the manual. A dedicated circuit and the rated voltage must be used.
Insufficient power supply or improper installation may cause electrical shock or fire.
• Use a cabtyre cable to connect wires in the indoor/outdoor units. Midway connection is not allowed. Improper connection or
fixing may cause a fire.
• Wiring between the indoor unit and outdoor units must be well shaped so that the cover can be firmly placed. Improper
cover installation may cause increased heat, fire, or electrical shock at the terminal area.
• Be sure to use only approved accessories or the specified parts. Failure to do so may cause the unit to fall, water leakage,
fire or electrical shock.
• After the installation work. ensure that there is no leakage of refrigerant gas. If the refrigerant gas leaks out of the pipe into
the room and is heated by fire or something else from a fanheater, stove or gas range, it causes generation of poisonous gas.
• Make sure the equipment is properly grounded. Do not connect the ground wire to a gas pipe, water pipe, lightning
conductor, or telephone earth wire. Improper earth work may be the cause of electrical shock.
• Do not install the unit where flammable gas may leak. If there is any gas leakage or accumulation around the unit, it can
cause a fire.
• Do not select a location for installation where there may be excessive water or humidity, such as a bathroom. Deterioration
of insulation nay cause electrical shock or fire.
• Installation work must be performed following the instructions in this installation manual. Improper installation may cause
water leakage, electrical shock or fire. Check the following items before operating the unit.
- Be sure that the pipe connection is well placed and there are no leaks.
- Check that the service valve is open. If the service valve is closed, it may cause overpressure and result in compressor
damage. At the same time, if there is a leak in the connection part, it may cause air suction and overpressure, resulting
in damage to the unit or injury.
• In a pump-down operation, be sure to stop the compressor unit before removing the refrigerant pipe. If removing the
refrigerant pipe while the compressor is operating with the service valve opened, it may cause air suction and overpressure,
resulting in damage to the unit or injury.
• Do not modity the power cable, connect the cable midway, or use a multiple outlet extension cable. Doing so may cause
contact failure, insulation failure, or excess current, resulting in fire or electrical shock.
• If you detect any damage, do not install the unit. Contact your dealer immediately.
•
− 4−
FILE NO. SVM-13069
CAUTION
CAUTION
Exposure of unit to water or other moisture before installation could result in electric shock. Do not store it in a wet
basement or expose to rain or water.
• After unpacking the unit, examine it carefully for possible damage. Report any damages to your distributor.
• Do not install in a place that can increase the vibration of the unit. Do not install in a place that can amplify
the noise level of the unit or where noise and discharged air might disturb neighbors.
• Please read this installation manual carefully before installing the unit. It contains further important instructions
for proper installation.
• This appliance must be connected to the main power supply by means of a circuit breaker depending on the
place where the unit is installed. Failure to do so may cause electrical shock.
• Follow the instructions in this installation manual to arrange the drain pipe for proper drainage from the unit.
Ensure that drained water is discharged. Improper drainage can result is water leakage, causing water damage
to furniture.
• Tighten the flare nut with a torque wrench using the prescribed method. Do not apply excess torque. Otherwise,
the nut may crack after a long period of usage and it may cause the leakage of refrigerant.
• Wear gloves (heavy gloves such as cotton gloves) for installation work. Failure to do so may cause personal
injury when handling parts with sharp edges.
• Do not touch the air intake section or the aluminum fins of the outdoor unit. It may cause injury.
• Do not install the outdoor unit in a place which can be a nest for small animals. Small animals could enter and
contact internal electrical parts, causing a failure or fire.
• Request the user to keep the place around the unit tidy and clean.
• Make sure to conduct a trial operation after the installation work, and explain how to use and maintain the unit
to the customer in accordance with the manual. Ask the customer to keep the operation manual along with the
installation manual.
•
− 5−
FILE NO. SVM-13069-2
2. SPECIFICATIONS
Unit model
Indoor
Outdoor
RAS-09EKV-UL
RAS-12EKV-UL
RAS-09EAV-UL, RAS-09EAV2-UL
RAS-12EAV-UL, RAS-12EAV2-UL
Cooling capacity
(Btu/h)
9000
12000
Cooling capacity range
(Btu/h)
3750 -10580
2750 - 13950
Heating capacity
(Btu/h)
10800
14200
Heating capacity range
(Btu/h)
3070 - 16350
3070 - 19000
1Ph, 60Hz, 208V/230V
Power supply
Electric
Indoor
characteristic
Operation mode
Running current (208-230V)
(A)
1Ph, 60Hz, 208V/230V
Cooling
Heating
Cooling
Heating
0.22-0.20
0.25-0.23
0.22-0.20
0.25-0.23
Power consumption (208-230V)
(W)
35
40
30
35
Power factor
(%)
76
76
66
66
Cooling
Heating
Cooling
Heating
(A)
3.46-3.13
3.88-3.51
4.59-4.15
5.26-4.76
Power consumption (208-230V)
(W)
655
760
920
1055
Power factor
(%)
91
94
96
96
(A)
3.68-3.30
4.81-4.35
5.51/4.99
EER (Cooling/Heating)
(Btu/W.h)
13.0
13.5
12.6
13.0
SEER or HSPF
(Btu/W.h)
20.0
10.0
23.0
Outdoor
Operation mode
Running current (208-230V)
Starting current (208-230V)
Operating
Indoor
noise
(Cooling/Heating)
(dB-A)
39/40
45/46
Medium
(Cooling/Heating)
(dB-A)
34/35
40/41
Low
(Cooling/Heating)
(dB-A)
27/29
30/32
(Cooling/Heating)
(dB-A)
47/47
50/50
RAS-09EKV-UL
RAS-12EKV-UL
10-25/32 (275)
Unit model
Dimension
Height
in. (mm)
10-25/32 (275)
Width
in. (mm)
31-1/8 (790)
31-1/8 (790)
Depth
in. (mm)
8-1/16 (205)
8-1/16 (205)
lbs (kg)
20 (9)
20 (9)
(W)
20
30
cfm (m 3/min)
303/335 (8.6)/(9.5)
406/438 (11.5/12.4)
Net weight
Fan motor output
Air flow rate
Outdoor unit
(Cooling/Heating)
Unit model
Dimension
RAS-09EAV-UL, RAS-09EAV2-UL
RAS-12EAV-UL, RAS-12EAV2-UL
Height
in. (mm)
21-11/16 (550)
21-11/16 (550)
Width
in. (mm)
30-11/16 (780)
30-11/16 (780)
Depth
in. (mm)
11-7/16 (290)
11-7/16 (290)
lbs (kg)
82 (37)
88 (40)
750
Single rotary type with DC-inverter
variable speed control
750
Twin rotary type with DC-inverter
variable speed control
DA89X1C-23FZ2
DA111A1F-20F1
Net weight
Compressor
Motor output
(w)
Type
Model
Fan motor output
Air flow rate
Piping
Type
connection
Indoor unit
(Cooling/Heating)
(W)
40
40
cfm (m 3/min)
1060/1060 (30)/(30)
1395/1236 (39.5/35.0)
Flare connection
Flare connection
Liquid side
in. (mm)
∅1/4 (∅6.35)
∅1/4 (∅6.35)
Gas side
in. (mm)
∅3/8 (∅9.92)
∅3/8 (∅9.92)
Liquid side
in. (mm)
∅1/4 (∅6.35)
∅1/4 (∅6.35)
Gas side
in. (mm)
∅3/8 (∅9.92)
∅3/8 (∅9.92)
Maximum length
ft. (m)
66 (20)
66 (20)
Maximum chargeless length
ft. (m)
50 (15)
50 (15)
Maximum height difference
ft. (m)
33 (10)
33 (10)
Outdoor unit
Refrigerant
9.7
High
Outdoor
Indoor unit
4.13-3.74
Name of refrigerant
Weight
Wiring
Power supply
connection
Interconnection
Usable temperature range
R410A
R410A
1.77 (0.8)
2.43 (1.10)
3Wires:includes earth (Outdoor)
3Wires:includes earth (Outdoor)
4Wires:includes earth
4Wires:includes earth
lbs (kg)
Indoor
(Cooling/Heating)
70°F-90°F ( 21°C-32°C) / 32°F-82°F (0°C-28°C)
Outdoor
(Cooling/Heating)
0°F-115°F (-18°C-46°C) / -4°F-75°F (-20°C-24°C)
* The specifications may be subject to change without notice for purpose of improvement.
− 6−
FILE NO. SVM-13069-2
2-2. Operation Characteristic Curve
<Cooling>
<Heating>
8
8
7
7
6
6
RAS-12EKV-UL
RAS-09EKV-UL
RAS-12EKV-UL
Current (A)
5
4
RAS-09EKV-UL
3
Conditions
Indoor : DB 80oF/WB 67oF
(DB 26.7oC/WB 19.4oC)
Outdoor : DB 98oF/WB 75oF
2
4
3
Conditions
Indoor : DB 70oF/WB 60oF
(DB 21.1oC/WB 15.6oC)
o
o
Outdoor : DB 47 F/WB 43 F
(DB 8.3oC/WB 6.1oC)
Indoor Air Flow : High
Pip Length : 5m
Voltage : 230V
2
(DB 35oC/WB 23.9oC)
Indoor Air Flow : High
Pip Length : 5m
Voltage : 230V
1
1
0
0
0
10
20
30
40
50
60
70
80
90 100 110 120
0
10
Compressor Speed (rps)
20
30
40
50
60
70
80
90 100 110 120
Compressor Speed (rps)
2-3. Capacity Variation Ratio According to Temperature
<Cooling>
<Heating>
120
105
100
95
RAS-09EKV-UL
RAS-12EKV-UL
100
RAS-09EKV-UL
RAS-12EKV-UL
90
Capacity Ratio (%)
80
Capacity Ratio (%)
Current (A)
5
85
80
75
70
65
Condition
Indoor: DB80°F/WB67°F
(DB26.7°C/WB19.4°C)
Indoor Air-Flow Volume: High
Pipe Length: 16 ft (5m)
Voltage : 230V
60
55
50
60
Condition
Indoor: DB70°F/WB60°F
(DB21.1°C/WB15.6°C)
Indoor Air-Flow Volume: High
Pipe Length: 16 ft (5m)
Voltage: 230V
40
20
Capacity Ratio: 100% =
9000 Btu/h (RAS-09EKV-UL)
12000 Btu/h (RAS-12EKV-UL)
Capacity Ratio: 100% =
9000 Btu/h (RAS-09EKV-UL)
12000 Btu/h (RAS-12EKV-UL)
0
90 91 93 95 97 99 100 102 104 106 108 109 111 113 115
-4
(-20)
(32)(33)(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)
Outdoor Temperature [°F(°C)]
5
(-15)
14
(-10)
23
(-5)
32
(0)
Outdoor Temperature [°F(°C)]
–7–
41
(5)
50
(10)
3. REFRIGERANT R410A
This air conditioner adopts the new refrigerant HFC
(R410A) which does not damage the ozone layer.
The working pressure of the new refrigerant R410A
is 1.6 times higher than conventional refrigerant
(R22). The refrigerating oil is also changed in
accordance with change of refrigerant, so be careful
that water, dust, and existing refrigerant or refrigerating oil are not entered in the refrigerant cycle of the
air conditioner using the new refrigerant during
installation work or servicing time.
The next section describes the precautions for air
conditioner using the new refrigerant. Conforming to
contents of the next section together with the
general cautions included in this manual, perform
the correct and safe work.
FILE NO. SVM-13069
6. When an air conditioning system charged with a
large volume of refrigerant is installed in a small
room, it is necessary to exercise care so that,
even when refrigerant leaks, its concentration
does not exceed the marginal level.
If the refrigerant gas leakage occurs and its
concentration exceeds the marginal level, an
oxygen starvation accident may result.
7. Be sure to carry out installation or removal
according to the installation manual.
Improper installation may cause refrigeration
trouble, water leakage, electric shock, fire, etc.
8. Unauthorized modifications to the air conditioner
may be dangerous. If a breakdown occurs
please call a qualified air conditioner technician
or electrician.
Improper repair’s may result in water leakage,
electric shock and fire, etc.
3-1. Safety During Installation/Servicing
As R410A’s pressure is about 1.6 times higher than
that of R22, improper installation/servicing may
cause a serious trouble. By using tools and materials exclusive for R410A, it is necessary to carry out
installation/servicing safely while taking the following
precautions into consideration.
1. Never use refrigerant other than R410A in an air
conditioner which is designed to operate with
R410A.
If other refrigerant than R410A is mixed, pressure
in the refrigeration cycle becomes abnormally
high, and it may cause personal injury, etc. by a
rupture.
2. Confirm the used refrigerant name, and use tools
and materials exclusive for the refrigerant R410A.
The refrigerant name R410A is indicated on the
visible place of the outdoor unit of the air conditioner using R410A as refrigerant. To prevent
mischarging, the diameter of the service port
differs from that of R22.
3. If a refrigeration gas leakage occurs during
installation/servicing, be sure to ventilate fully.
If the refrigerant gas comes into contact with fire,
a poisonous gas may occur.
4. When installing or removing an air conditioner, do
not allow air or moisture to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become abnormally high so
that a rupture or personal injury may be caused.
5. After completion of installation work, check to
make sure that there is no refrigeration gas
leakage.
If the refrigerant gas leaks into the room, coming
into contact with fire in the fan-driven heater,
space heater, etc., a poisonous gas may occur.
3-2. Refrigerant Piping Installation
3-2-1. Piping Materials and Joints Used
For the refrigerant piping installation, copper pipes
and joints are mainly used. Copper pipes and joints
suitable for the refrigerant must be chosen and
installed. Furthermore, it is necessary to use clean
copper pipes and joints whose interior surfaces are
less affected by contaminants.
1. Copper Pipes
It is necessary to use seamless copper pipes
which are made of either copper or copper alloy
and it is desirable that the amount of residual oil
is less than 40 mg/10 m. Do not use copper
pipes having a collapsed, deformed or discolored
portion (especially on the interior surface).
Otherwise, the expansion valve or capillary tube
may become blocked with contaminants.
As an air conditioner using R410A incurs pressure higher than when using R22, it is necessary
to choose adequate materials.
Thicknesses of copper pipes used with R410A
are as shown in Table 3-2-1. Never use copper
pipes thinner than 0.0315 in. (0.8 mm) even when
it is available on the market.
–8–
FILE NO. SVM-13069
Table 3-2-1 Thicknesses of annealed copper pipes
Thickness in. (mm)
Nominal diameter (in.)
Outer diameter (mm)
R410A
R22
1/4
6.35
0.0315 (0.80)
0.0315 (0.80)
3/8
9.52
0.0315 (0.80)
0.0315 (0.80)
1/2
12.70
0.0315 (0.80)
0.0315 (0.80)
2. Joints
For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants.
a) Flare Joints
Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds
20 mm. In such a case, socket joints can be used.
Sizes of flare pipe ends, flare joint ends and flare nuts are as shown in Tables 3-2-3 to 3-2-6 below.
b) Socket Joints
Socket joints are such that they are brazed for connections, and used mainly for thick pipings whose
diameter is larger than 0.7874 in. (20 mm).
Thicknesses of socket joints are as shown in Table 3-2-2.
Table 3-2-2 Minimum thicknesses of socket joints
Nominal diameter (in)
Reference outer diameter of
copper pipe jointed (mm)
Minimum joint thickness
in. (mm)
1/4
6.35
0.0197 (0.50)
3/8
9.52
0.0236 (0.60)
1/2
12.70
0.0276 (0.70)
3-2-2. Processing of Piping Materials
When performing the refrigerant piping installation, care should be taken to ensure that water or dust does not
enter the pipe interior, that no other oil than lubricating oils used in the installed air-water heat pump is used,
and that refrigerant does not leak. When using lubricating oils in the piping processing, use such lubricating oils
whose water content has been removed. When stored, be sure to seal the container with an airtight cap or any
other cover.
1. Flare processing procedures and precautions
a) Cutting the Pipe
By means of a pipe cutter, slowly cut the pipe so that it is not deformed.
b) Removing Burrs and Chips
If the flared section has chips or burrs, refrigerant leakage may occur.
Carefully remove all burrs and clean the cut surface before installation.
c) Insertion of Flare Nut
–9–
FILE NO. SVM-13069
d) Flare Processing
Make certain that a clamp bar and copper
pipe have been cleaned.
By means of the clamp bar, perform the flare
processing correctly.
Use either a flare tool for R410A or conventional flare tool.
Flare processing dimensions differ according
to the type of flare tool. When using a conventional flare tool, be sure to secure “dimension A” by using a gauge for size adjustment.
ØD
A
Fig. 3-2-1 Flare processing dimensions
Table 3-2-3 Dimensions related to flare processing for R410A
A in. (mm)
Nominal
diameter
in.
Outer
diameter
(mm)
Thickness
in. (mm)
1/4
6.35
0.0315 (0.8)
0 to 0.0197 (0 to 0.5)
3/8
9.52
0.0315 (0.8)
0 to 0.0197 (0 to 0.5)
1/2
12.70
0.0315 (0.8)
0 to 0.0197 (0 to 0.5)
Flare tool for R410A
clutch type
Conventional flare tool
Clutch type
Wing nut type
0.0394 to 0.0591
(1.0 to 1.5)
0.0394 to 0.0591
(1.0 to 1.5)
0.0394 to 0.0591
(1.0 to 1.5)
0.0591 to 0.0787
(1.5 to 2.0)
0.0591 to 0.0787
(1.5 to 2.0)
0.07874 to 0.0984
(2.0 to 2.5)
Table 3-2-4 Dimensions related to flare processingf or R22
A in. (mm)
Nominal
diameter
in.
Outer
diameter
(mm)
Thickness
in. (mm)
1/4
6.35
0.0315 (0.8)
0 to 0.0197 (0 to 0.5)
3/8
9.52
0.0315 (0.8)
0 to 0.0197 (0 to 0.5)
1/2
12.70
0.0315 (0.8)
0 to 0.0197 (0 to 0.5)
Flare tool for R22
clutch type
Conventional flare tool
Clutch type
Wing nut type
0.0197 to 0.0394
(0.5 to 1.0)
0.0197 to 0.0394
(0.5 to 1.0)
0.0197 to 0.0394
(0.5 to 1.0)
0.0394 to 0.0591
(1.0 to 1.5)
0.0394 to 0.0591
(1.0 to 1.5)
0.0591 to 0.0787
(1.5 to 2.0)
Table 3-2-5 Flare and flare nut dimensions for R410A
Nominal
diameter
in.
Outer diameter Thic kness
(mm)
in. (mm)
Dimension in. (mm)
A
B
C
D
Flare nut width
in. (mm)
1/4
6.35
0.0315 (0.8 )
0.358 (9.1)
0.362 (9.2) 0.256 (6.5) 0.512 (13)
0.669 (17)
3/8
9.52
0.0315 (0.8 )
0.520 (13.2)
0.531 (13.5) 0.382 (9.7) 0.787 (20)
0.866 (22)
1/2
12.70
0.0315 (0.8 ) 0.630 (16.0) 0.653 (16.6) 0.508 (12.9) 0.906 (23)
1.024 (26)
– 10 –
FILE NO. SVM-13069
Table 3-2-6 Flare and flare nut dimensions for R22
Dimension in. (mm)
Nominal
diameter
in.
Outer diameter
(mm)
Thic kness
in. (mm)
A
1/4
6.35
0.0315 (0.8 )
0.354 (9.0)
0.362 (9.2) 0.256 (6.5) 0.512 (13)
0.669 (17)
3/8
9.52
0.0315 (0.8 ) 0.512 (13.0) 0.531 (13.5) 0.382 (9.7) 0.787 (20)
0.866 (22)
1/2
12.70
0.0315 (0.8 ) 0.630 (16.0) 0.638 (16.2) 0.508 (12.9) 0.787 (20)
0.945 (24)
45
B
C
D
Flare nut width
in. (mm)
6
to 4
B
A
C
43
D
to 4
5
Fig. 3-2-2 Relations between flare nut and flare seal surface
2. Flare Connecting Procedures and Precautions
a) Make sure that the flare and union portions do not have any scar or dust, etc.
b) Correctly align the processed flare surface with the union axis.
c) Tighten the flare with designated torque by means of a torque wrench. The tightening torque for R410A is
the same as that for conventional R22. Incidentally, when the torque is weak, the gas leakage may occur.
When it is strong, the flare nut may crack and may be made non-removable. When choosing the tightening torque, comply with values designated by manufacturers. Table 3-2-7 shows reference values.
NOTE :
When applying oil to the flare surface, be sure to use oil designated by the manufacturer.
If any other oil is used, the lubricating oils may deteriorate and cause the compressor to burn out.
Table 3-2-7 Tightening torque of flare for R410A [Reference values]
Nominal
diameter
in.
Outer diameter
(mm)
Tightening torque
lbf.ft (N•m)
Tightening torque of torque
wrenches available on the market
lbf.ft (N•m)
1/4
6.35
10 to 13 (14 to 18)
12 (16), 13 (18)
3/8
9.52
24 to 31 (33 to 42)
31 (42)
1/2
12.70
37 to 46 (50 to 62)
41 (55)
– 11 –
FILE NO. SVM-13069
3-3. Tools
3-3-1. Required Tools
The service port diameter of packed valve of the outdoor unit in the air-water heat pump using R410A is
changed to prevent mixing of other refrigerant. To reinforce the pressure-resisting strength, flare processing
dimensions and opposite side dimension of flare nut (For ∅ 1/2 in. 12.7mm) copper pipe) of the refrigerant
piping are lengthened.
The used refrigerating oil is changed, and mixing of oil may cause a trouble such as generation of sludge,
clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types.
1. Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22))
2. Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)
3. Tools commonly used for R410A and for conventional refrigerant (R22)
The table below shows the tools exclusive for R410A and their interchangeability.
Tools exclusive for R410A (The following tools for R410A are required.)
Tools whose specifications are changed for R410A and their interchangeability
R410A
air-water heat pump installation
No.
Used tool
Usage
Existence of
new equipment
for R410A
Whether conventional equipment
can be used
Conventional air-water
heat pump installation
Whether new equipment
can be used with
conventional refrigerant
1
Flare tool
Pipe flaring
Yes
*(Note 1)
¡
2
Copper pipe gauge for
adjusting projection
margin
Flaring by
conventional flare tool
Yes
*(Note 1)
*(Note 1)
3
Torque wrench
[(For Ø1/2 (12.7mm)]
Connection of flare nut
Yes
×
×
4
Gauge manifold
5
Charge hose
Evacuating, refrigerant
charge, run check, etc.
Yes
×
×
6
Vacuum pump adapter
Vacuum evacuating
Yes
¡
7
Electronic balance for
refrigerant charging
Refrigerant charge
Yes
8
Refrigerant cylinder
Refrigerant charge
Yes
9
Leakage detector
Gas leakage check
Yes
10
Charging cylinder
Refrigerant charge
(Note 2)
×
×
×
×
×
¡
×
¡
×
(Note 1) When flaring is carried out for R410A using the conventional flare tools, adjustment of projection
margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.
(Note 2) Charging cylinder for R410A is being currently developed.
General tools (Conventional tools can be used.)
In addition to the above exclusive tools, the following equipments which serve also for R22 are necessary
as the general tools.
1. Vacuum pump
Use vacuum pump by attaching
vacuum pump adapter.
2. Torque wrench [For Ø1/4, Ø3/8 in.
(∅ 6.35, ∅ 9.52mm)]
3. Pipe cutter
4.
5.
6.
7.
8.
Reamer
9. Hole core drill [Ø2-9/16 in. (65mm)]
Pipe bender
10. Hexagon wrench
[Opposite side 3/16 in. (4mm)]
Level vial
11. Tape measure
Screwdriver (+, –)
12. Metal saw
Spanner or Monkey wrench
Also prepare the following equipments for other installation method and run check.
1. Clamp meter
2. Thermometer
3. Insulation resistance tester
4. Electroscope
– 12 –
FILE NO. SVM-13069
3-4. Recharging of Refrigerant
When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the
following steps.
Recover the refrigerant, and check no refrigerant
remains in the equipment.
When the compound gauge’s pointer has indicated
− 14.7 Psi (–0.1 Mpa) or − 29.9 inHg (–76 cmHg),
place the handle Low in the fully closed position, and
turn off the vacuum pump's power switch.
Connect the charge hose to packed valve service
port at the outdoor unit’s gas side.
Keep the status as it is for 1 to 2 minutes, and ensure
that the compound gauge’s pointer does not return.
Connect the charge hose to the vacuum pump
adapter.
Set the refrigerant cylinder to the electronic balance,
connect the connecting hose to the cylinder and the
connecting port of the electronic balance, and charge
liquid refrigerant.
Open fully both packed valves at liquid and gas
sides.
(For refrigerant charging, see the figure below.)
Place the handle of the gauge manifold Low in the
fully opened position, and turn on the vacuum pump’s
power switch. Then, evacuating the refrigerant in the
cycle.
1. Never charge refrigerant exceeding the specified amount.
2. If the specified amount of refrigerant cannot be charged, charge refrigerant bit by bit in COOL mode.
3. Do not carry out additional charging.
When additional charging is carried out if refrigerant leaks, the refrigerant composition changes in the
refrigeration cycle, that is characteristics of the air conditioner changes, refrigerant exceeding the
specified amount is charged, and working pressure in the refrigeration cycle becomes abnormally high
pressure, and may cause a rupture or personal injury.
(Indoor Unit)
(Outdoor unit)
Opened
Refrigerant cylinder
(with siphon)
Check valve
Opened
Open/close
valve for charging
Opened
Closed
Service port
Electronic balance for refrigerant charging
Fig. 3-4-1 Configuration of refrigerant charging
– 13 –
FILE NO. SVM-13069
1. Be sure to make setting so that liquid can be charged.
2. When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down.
It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant.
Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the
cylinder upside down if cylinder is not equipped with siphon.
[ Cylinder with siphon ]
Gauge manifold
OUTDOOR unit
OUTDOOR unit
Refrigerant
cylinder
Gauge manifold
[ Cylinder without siphon ]
Refrigerant
cylinder
Electronic
balance
Electronic
balance
Siphon
R410A refrigerant is HFC mixed refrigerant.
Therefore, if it is charged with gas, the composition of the charged refrigerant changes and the
characteristics of the equipment varies.
Fig. 3-4-2
3-5. Brazing of Pipes
1. Phosphor bronze brazing filler tends to react
with sulfur and produce a fragile compound
water solution, which may cause a gas
leakage. Therefore, use any other type of
brazing filler at a hot spring resort, etc., and
coat the surface with a paint.
2. When performing brazing again at time of
servicing, use the same type of brazing filler.
3-5-1. Materials for Brazing
1. Silver brazing filler
Silver brazing filler is an alloy mainly composed
of silver and copper. It is used to join iron, copper
or copper alloy, and is relatively expensive though
it excels in solderability.
2. Phosphor bronze brazing filler
Phosphor bronze brazing filler is generally used
to join copper or copper alloy.
3. Low temperature brazing filler
Low temperature brazing filler is generally called
solder, and is an alloy of tin and lead. Since it is
weak in adhesive strength, do not use it for
refrigerant pipes.
3-5-2. Flux
1. Reason why flux is necessary
• By removing the oxide film and any foreign
matter on the metal surface, it assists the flow
of brazing filler.
• In the brazing process, it prevents the metal
surface from being oxidized.
• By reducing the brazing filler’s surface tension,
the brazing filler adheres better to the treated
metal.
– 14 –
2. Characteristics required for flux
• Activated temperature of flux coincides with the
brazing temperature.
• Due to a wide effective temperature range, flux
is hard to carbonize.
• It is easy to remove slag after brazing.
• The corrosive action to the treated metal and
brazing filler is minimum.
• It excels in coating performance and is harmless to the human body.
As the flux works in a complicated manner as
described above, it is necessary to select an
adequate type of flux according to the type and
shape of treated metal, type of brazing filler and
brazing method, etc.
3. Types of flux
• Noncorrosive flux
Generally, it is a compound of borax and boric
acid.
It is effective in case where the brazing temperature is higher than 1472°F (800°C).
• Activated flux
Most of fluxes generally used for silver brazing
are this type.
It features an increased oxide film removing
capability due to the addition of compounds
such as potassium fluoride, potassium chloride
and sodium fluoride to the borax-boric acid
compound.
4. Piping materials for brazing and used
brazing filler/flux
Piping material
Used brazing filler
Used flux
Copper - Copper
Phosphor copper
Do not use
Copper - Iron
Silver
Paste flux
Iron - Iron
Silver
Vapor flux
3-5-3. Brazing
FILE NO. SVM-13069
As brazing work requires sophisticated techniques,
experiences based upon a theoretical knowledge, it
must be performed by a person qualified.
In order to prevent the oxide film from occurring in
the pipe interior during brazing, it is effective to
proceed with brazing while letting dry Nitrogen gas
(N2) flow.
Never use gas other than Nitrogen gas.
1. Brazing method to prevent oxidation
1) Attach a reducing valve and a flow-meter to
the Nitrogen gas cylinder.
2) Use a copper pipe to direct the piping material, and attach a flow-meter to the cylinder.
3) Apply a seal onto the clearance between the
piping material and inserted copper pipe for
Nitrogen in order to prevent backflow of the
Nitrogen gas.
4) When the Nitrogen gas is flowing, be sure to
keep the piping end open.
5) Adjust the flow rate of Nitrogen gas so that it
is lower than 0.03 cfm (0.05 m3/Hr) or 2.9 Psi
(0.02 MPa) by means of the reducing valve.
6) After performing the steps above, keep the
Nitrogen gas flowing until the pipe cools down
to a certain extent (temperature at which
pipes are touchable with hands).
7) Remove the flux completely after brazing.
M Flow meter
Stop valve
Nitrogen gas
cylinder
1. Do not enter flux into the refrigeration cycle.
2. When chlorine contained in the flux remains
within the pipe, the lubricating oil deteriorates.
Therefore, use a flux which does not contain
chlorine.
3. When adding water to the flux, use water
which does not contain chlorine (e.g. distilled
water or ion-exchange water).
4. Remove the flux after brazing.
From Nitrogen cylinder
Pipe
Nitrogen
gas
Rubber plug
Fig. 3-5-1 Prevention of oxidation during brazing
– 15 –
4. CONSTRUCTION VIEWS
FILE NO. SVM-13069-3
4-1. Indoor Unit
Unit : Inch (mm)
31-1/8(790)
Grille Inlet
Air Þlter
Front panel
Air inlet
8-1/16(205)
Knockout for rightward piping
2-15/32(63)
1-7/8(48)
Air outlet
9/32(7)
Heat exchanger
1-7/8(48)
1-7/8(48)
9/32(7)
2-15/32(63)
10-25/32(275)
Knockout for leftward piping
2-7/16(62)
Knockout for bottom rightward piping
4-9/16(116)
Conduit hole
(Ø7/8(22) hole)
18-7/8(480)
Installation plate hanger
2-11/16(69)
7-19/32(193)
6-3/4 (157)
Knockout for bottom leftward piping
2-3/16 (56)
3/4 (19)
Installation plate hanger
4-29/32 (125)
Wireless remote controller
Drain hose (19-11/16(0.50m))
Connecting pipe (13-25/32(0.35m))
(Flare Ø3/8(9.52))
Connecting pipe (18-5/8(0.40m))
(Flare Ø1/4(6.35))
2-15/32 (63)
31/32 (26)
Remote controller holder
1-3/4(45)
For stud bold (Ø5/16(8)~Ø13/32(10))
1-9/16(40)
Minimum
distance
to wall
Minimum
distance
to wall
6-11/16(170)or more
6-11/16(170)or more
Hanger
Hanger
3-5/16(84.5)
5-1/2(150) 6-5/16(161) 6-5/16(161) 5-1/2(150)
3-5/16(84.5)
Center line
Installation plate outline
– 16 –
7-15/32(190)
Minimum
distance
to wall
2-9/16(65)or more
Hanger
10-13/16(275)
3-5/16(84.5) For stud bold (Ø2-1/4(6))
24-7/16(621)
9-1/4(235)
9-1/4(235)
8-7/16(215)
8-7/16(215)
1-9/16(40)
3-5/16(84.5)
FILE NO. SVM-13069
4-9/16 (116)
R7/32
(R5.5)
3-3/8 (86)
12-3/64 (306)
12-19/32 (320)
R19/32
(R15)
1-27/64 (36)
Ø1/4 Hole
(Ø6) Hole
Ø1/4 Hole
(Ø6) Hole
B
Detail-A (Rear Leg)
17-5/32 (
Unit : Inch (mm)
R19/32 (R15)
1-27/64 (36)
1-31/32 (50)
Ø7/16x9/16 Oval-Hole
(Ø11x14) Oval-Hole
23-5/8 (600)
Detail-B (Front Leg)
WIRE GUARD
436)
21-11/16 (550)
COVER
PACKED VALVE
10-7/8 (275)
3-17/32 (90)
23-5/8 (600)
13-1/2 (342)
3-17/32 (90)
3-15/32 (88)
2-3/32 (53)
2-23/32 (69)
5-9/16 (141)
11-7/16 (290)
View Z
View Z
Service Port
2-R7/32x43/64L (R5.5x17L) U-Shape
(For Ø5/16~ Ø13/32 (Ø8~ Ø10) Anchor Bolt)
23-5/8 (600)
Air Inlet
Liquid side
(Flare Nut : Ø1/4 (Ø6.35))
Gas side
(Flare Nut : Ø3/8 (Ø9.52))
3-15/16 Inch or more
(100 mm or more)
23-5/8 or more
(600 mm or more)
3-15/16 or more
(100 mm or more)
12-19/32 (320)
12-19/32 (320)
4-15/16 (125)
A
23-5/8 (600)
1-31/32 (50)
4-1/4 (108)
12-3/64 (306)
Ø1 (Ø25) Water Drain Outlet
12-19/32 (320)
4-2. Outdoor Unit
Air Oulet
23-5/8 Inch or more
(600 mm or more)
– 17 –
2-Ø7/16x9/16 (Ø11x14) Oval-Hole
(For Ø5/16~Ø13/32 (Ø8~Ø10) Anchor Bolt)
5. WIRING DIAGRAM
5-1. RAS-09EKV-UL / RAS-09EAV-UL
– 18 –
FILE NO. SVM-13069
FILE NO. SVM-13069
5-2. RAS-09EKV-UL / RAS-09EAV2-UL
– 19 –
FILE NO. SVM-13069
5-3. RAS-12EKV-UL / RAS-12EAV-UL
– 20 –
FILE NO. SVM-13069
5-4. RAS-12EKV-UL / RAS-12EAV2-UL
– 21 –
FILE NO. SVM-13069
6. SPECIFICATIONS OF ELECTRICAL PARTS
6-1. Indoor Unit
No.
1
Type
Parts name
Fan motor
(for indoor)
Specifications
RAS-09EK Series
RPG-240-25A
AC240V, 25W
RAS-12EK Series
ICF-340U30-2
AC220V, 30W
2
Room temp. sensor (TA-sensor)
(−)
10kΩ at 25°C
3
Heat exchanger temp. sensor (TC-sensor)
(−)
10kΩ at 25°C
4
Louver motor
24BYJ48-HTP
Output (Rated) 1W, 16 poles, DC12V
6-2. Outdoor Unit
No.
Parts name
Model name
Rating
1
Reactor
2
Outdoor fan motor
3
Suction temp. sensor (TS sensor)
(Inverter attached)
10kΩ (25°C)
4
Discharge temp. sensor (TD sensor)
(Inverter attached)
62kΩ (20°C)
5
Outside air temp. sensor (TO sensor)
(Inverter attached)
10kΩ (25°C)
6
Heat exchanger temp. sensor (TE sensor)
(Inverter attached)
10kΩ (25°C)
7
Terminal block (5P)
8
Compressor
CH-57-Z-T
L = 10mH, 16A
ICF-340UA40-2
DC340V, 40W
30A, AC600V
RAS-09EA Series
DA89X1C-23FZ2
3-phases 4-poles 680W
RAS-12EA Series
DA111A1F-20F2
3-phases 4-poles 750W
9
COIL FOR P.M.V.
10
Coil for 4-way valve
11
Pressure SW.
CAM-MD 12TCTH-4
DC12V
STF-01U8Z
ACB-4UB82W
– 22 –
4.7 MPa
7. REFRIGERANT CYCLE DIAGRAM
FILE NO. SVM-13069
7-1. Refrigerant Cycle Diagram
RAS-09EKV-UL / RAS-09EAV-UL
RAS-09EKV-UL / RAS-09EAV2-UL
INDOOR UNIT
T1
Temp. measurement
TC
Cross flow fan
P Pressure measurement
Gauge attaching port
Vacuum pump connecting port
TA
Deoxidized copper pipe
Outer dia. : 1/4 in (6.35mm)
Thickness : 1/32 (0.8mm)
Sectional shape
of heat insulator
Deoxidized copper pipe
Outer dia. : 3/8 in (9.52mm)
Thickness : 1/32 in (0.8mm)
Allowable pipe length
Allowable height
difference : 33ft (10mm)
Indoor heat
exchanger
Max. : 66ft (20m)
Min. : 6.6ft (2m)
Chargeless : 50ft (15m)
Charge : 0.22oz/ft
(51 to 66ft)
[20g/m (16 to 20m)]
Strainer
Muffler
4-way valve
Pulse Modulating
valve at liquid side
Muffler
High Pressure switch
TD
Compressor
DA89X1C-23FZ2
TS
Strainer
TO
Fusible plug
Outdoor heat
exchanger
Temp. measurement T2
TE
Propeller fan
OUTDOOR UNIT
Refrigerant amount : 1.77lbs (0.80kg)
NOTE :
Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)
NOTE :
• The maximum pipe length of this air conditioner is 66ft (20 m). When the pipe length exceeds 50ft (15m), the additional
charging of refrigerant, 0.22 oz/ft (20g/m) for the part of pipe exceeded 50ft (15m) is required. [(Max. 0.22 lbs (100g)]
– 23 –
FILE NO. SVM-13069
RAS-12EKV-UL / RAS-12EAV-UL
RAS-12EKV-UL / RAS-12EAV2-UL
INDOOR UNIT
T1
Temp. measurement
Cross flow fan
P Pressure measurement
Gauge attaching port
Vacuum pump connecting port
Allowable height
difference : 33ft (10m)
TC
TA
Deoxidized copper pipe
Outer dia. : 1/4 in. (6.35mm)
Thickness : 1/32 in. (0.8mm)
Sectional shape
of heat insulator
Deoxidized copper pipe
Outer dia. : 3/8 in. (9.52mm)
Thickness : 1/32 in. (0.8mm)
Allowable pipe length
Indoor heat
exchanger
Max. : 66ft (20m)
Min. : 6.6ft (2m)
Chargeless : 50 ft (15m)
Charge : 0.22oz/ft
(51 to 66 ft)
[20g/m (16 to 20m)]
Strainer
Muffler
4-way valve
Muffler
High Pressure switch
Pulse Modulating
valve at liquid side
TD
Compressor
DA111A1F-20F1
TS
TO
Fusible plug
Outdoor heat
exchanger
Split capillary
Ø1.2 x 80
Ø1.2 x 80
Temp. measurement T2
TE
Propeller fan
OUTDOOR UNIT
Refrigerant amount : 2.43 lbs (1.10kg)
NOTE :
Gas leak check position
Refrigerant flow (Cooling)
Refrigerant flow (Heating)
NOTE :
• The maximum pipe length of this air conditioner is 66ft (15 m). When the pipe length exceeds 50ft (15m), the additional
charging of refrigerant, 0.22 oz/ft (20g/m) for the part of pipe exceeded 15m is required. [Max. 0.22 lbs (100g)]
– 24 –
FILE NO. SVM-13069
7-2. Operation Data
<Cooling>
Tempeature
Model name
condition(°C)
RAS-
Indoor
Outdoor
80/67
98/75
(26.7/19.4) (35/23.9)
Standard
pressure
P Psia (MPa)
09EKV-UL
12EKV-UL
Heat exchanger
Indoor
Outdoor
Compressor
pipe temp.
fan mode
fan mode
revolution
T1 °F (°C)
T2 °F (°C)
137 to 160
54 to 57
99 to 102
(0.9 to 1.1)
(12 to 14)
(37 to 39)
116 to 145
52 to 55
104 to 107
(0.8 to 1.0)
(11 to 13)
(42 to 44)
(rps)
High
High
60
High
High
77
Heat exchanger
Indoor
Outdoor
Compressor
pipe temp.
fan mode
fan mode
revolution
<Heating>
Tempeature
Model name
condition(°C)
RAS-
Indoor
Outdoor
70/60
47/43
(21.1/15.6)
(8.3/6.1)
09EKV-UL
12EKV-UL
Standard
pressure
P Psia (MPa)
T1 °F (°C)
T2 °F (°C)
363 to 392
102 to 105
32 to 37
(2.5 to 2.7)
(39 to 41)
(0 to 3)
377 to 406
106 to 106
32 to 36
(2.6 to 2.8)
(41 to 43)
(0 to 2)
(rps)
High
High
62
High
High
64
NOTES :
1. Measure surface temperature of heat exchanger pipe around center of heat exchaner path U bent.
(Thermistor themometer)
2. Connecting piping condition : 16 ft (5m)
– 25 –
FILE NO. SVM-13069
8. CONTROL BLOCK DIAGRAM
8-1. Indoor Unit
Indoor Unit Control Unit
M.C.U.
Heat Exchanger Sensor (Tc)
Room Temperature Sensor (Ta)
Infrared Rays Signal Receiver
and Indication
Initializing Circuit
Clock Frequency
Oscillator Circuit
Louver
Motor
Functions
• Cold draft preventing Function
• 3-minute Delay at Restart for Compressor
• Fan Motor Starting Control
Louver Motor
Drive Control
Indoor Fan
Motor Control
• Processing
(Temperature Processing)
Indoor
Fan Motor
• Timer
• Serial Signal Communication
• Clean Function
Power Supply
Circuit
Converter
(D.C circuit)
Noise Filter
From Outdoor Unit
208/230-1-60
REMOTE CONTROLLER
Serial Signal Transmitter/Receiver
Serial Signal Communication
(Operation Command and Information)
Remote Controller
Operation (
Infrared Rays, 36.7kHz
)
Operation Mode Selection
AUTO, COOL, DRY, HEAT, FAN
Thermo. Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver AUTO Swing
Louver Direction Setting
ECO
Hi-POWER
COMFORT SLEEP
QUIET
SLEEP (1,3,5,9 OFF TIMER)
– 26 –
– 27 –
Heat exchanger
temp.sensor
Suction temp.
sensor
Outdoor air
temp. sensor
Discharge
temp. sensor
Noise
Filter
Indoor unit
send/receive
circuit
208/230-1-60
For INDOOR UNIT
Relay
circuit
4-way
valve
P.M.V.
Converter
(AC → DC)
Driver circuit
of P.M.V.
Input current
sensor
Clock
frequency
4MHz
PWM synthesis function
Input current release control
IGBT over-current detect control
Outdoor fan control
High power factor correction control
Inverter output frequency control
A/D converter function
P.M.V. control
Discharge temp. control
4-way valve control
Signal communication to indoor unit
High Power
factor Correction
circuit
•
•
•
•
•
•
•
•
•
•
•
M.C.U
MCC5009 (P.C.B)
Current
detect
Inverter
(DC → AC)
P.M.V. : Pulse Motor Valve
M.C.U. : Micro Control Unit
Inverter
(DC → AC)
Gate drive
circuit
Current
detect
Gate drive
circuit
MICRO-COMPUTER BLOCK DIAGRAM
Outdoor
Fan motor
Compressor
OUTDOOR UNIT
8-2. Outdoor Unit (Inverter Assembly)
FILE NO. SVM-13069
9. OPERATION DESCRIPTION
9-1. Outline of Air Conditioner Control
This air conditioner is a capacity-variable type air
conditioner, which uses AC or DC motor for the indoor
for motor and the outdoor fan motor. And the capacityproportional control compressor which can change the
motor speed in the range from 11 to 96 rps is
mounted. The DC motor drive circuit is mounted to the
indoor unit. The compressor and the inverter to control
fan motor are mounted to the outdoor unit.
The entire air conditioner is mainly controlled by the
indoor unit controller.
The indoor unit controller drives the indoor fan motor
based upon command sent from the remote controller,
and transfers the operation command to the outdoor
unit controller.
The outdoor unit controller receives operation command from the indoor unit side, and controls the
outdoor fan and the pulse Modulating valve. (P.M.V)
Besides, detecting revolution position of the compressor motor, the outdoor unit controller controls speed of
the compressor motor by controlling output voltage of
the inverter and switching timing of the supply power
(current transfer timing) so that motors drive according
to the operation command.
And then, the outdoor unit controller transfers reversely
the operating status information of the outdoor unit to
control the indoor unit controller.
• Detection of inverter input current and current
release operation
• Over-current detection and prevention operation
to IGBT module (Compressor stop function)
• Compressor and outdoor fan stop function when
serial signal is off (when the serial signal does not
reach the board assembly of outdoor control by
trouble of the signal system)
• Transferring of operation information (Serial
signal) from outdoor unit controller to indoor unit
controller
• Detection of outdoor temperature and operation
revolution control
• Defrost control in heating operation (Temp.
measurement by outdoor heat exchanger and
control for 4-way valve and outdoor fan)
3. Contents of operation command signal
(Serial signal) from indoor unit controller to
outdoor unit controller
The following three types of signals are sent from
the indoor unit controller.
• Operation mode set on the remote controller
• Compressor revolution command signal defined
by indoor temperature and set temperature
(Correction along with variation of room temperature and correction of indoor heat exchanger
temperature are added.)
• Temperature of indoor heat exchanger
• For these signals ([Operation mode] and [Compressor revolution] indoor heat exchanger temperature), the outdoor unit controller monitors the
input current to the inverter, and performs the
followed operation within the range that current
does not exceed the allowable value.
As the compressor adopts four-pole brushless
DC motor, the frequency of the supply power
from inverter to compressor is two-times cycles
of the actual number of revolution.
1. Role of indoor unit controller
The indoor unit controller judges the operation
commands from the remote controller and assumes
the following functions.
• Judgment of suction air temperature of the indoor
heat exchanger by using the indoor temp. sensor.
(TA sensor)
• Judgment of the indoor heat exchanger temperature by using heat exchanger sensor (TC sensor)
(Prevent-freezing control, etc.)
• Louver motor control
• Indoor fan motor operation control
• LED (Light Emitting Diode) display control
• Transferring of operation command signal (Serial
signal) to the outdoor unit
• Reception of information of operation status
(Serial signal including outside temp. data) to the
outdoor unit and judgment/display of error
• Air purifier operation control
FILE NO. SVM-13069
4. Contents of operation command signal
(Serial signal) from outdoor unit controller
to indoor unit controller
2. Role of outdoor unit controller
The following signals are sent from the outdoor unit
controller.
• The current operation mode
• The current compressor revolution
• Outdoor temperature
• Existence of protective circuit operation
For transferring of these signals, the indoor unit
controller monitors the contents of signals, and
judges existence of trouble occurrence.
Contents of judgment are described below.
• Whether distinction of the current operation
status meets to the operation command signal
• Whether protective circuit operates
When no signal is received from the outdoor
unit controller, it is assumed as a trouble.
Receiving the operation command signal (Serial
signal) from the indoor unit controller, the outdoor
unit performs its role.
• Compressor operation control
• Operation control of outdoor fan motor
Operations followed to judgment
of serial signal from indoor side.
• P.M.V. control
• 4-way valve control



– 28 –
FILE NO. SVM-13069
9-2. Operation Description
1. Basic operation ........................................................................................................... 30
1. Operation control ................................................................................................... 30
2. Cooling/Heating operation ..................................................................................... 31
3. AUTO operation ..................................................................................................... 31
4. DRY operation ........................................................................................................ 31
2. Indoor fan motor control ............................................................................................. 32
3. Outdoor fan motor control ........................................................................................... 34
4. Capacity control .......................................................................................................... 35
5. Current release control ............................................................................................... 35
6. Release protective control by temperature of indoor heat exchanger ........................ 36
7. Defrost control (Only in heating operation) ................................................................ 37
8. Louver control ............................................................................................................. 38
1) Louver position ....................................................................................................... 38
2) Air direction adjustment ......................................................................................... 38
3) Swing ..................................................................................................................... 38
9. ECO operation ............................................................................................................ 39
10. Temporary operation ................................................................................................... 40
11. Discharge temperature control ................................................................................... 40
12. Pulse Modulating valve (P.M.V.) control ..................................................................... 41
13. Self-Cleaning function ................................................................................................ 42
14. Remote-A or B selection ............................................................................................ 44
15. QUIET mode ............................................................................................................. 45
16. COMFORT SLEEP mode ............ ............................................................................. 45
17. One-Touch Comfort .................................................................................................. 45
18. Hi-POWER Mode ...................................................................................................... 46
19. FILTER Indicator ........................................................................................................ 46
20. Cord heater control .................................................................................................... 46
9-3. Auto Restart Function
..
9-3-1. How to Cancel the Auto Restart Function ................................................................. 47
9-3-2. How to set the Auto Restart Function ....................................................................... 48
9-3-3. Power Failure During Timer Operation .................................................................... 48
9-4. Remote Controller and Its Fuctions
9-4-1. Parts Name of Remote Controller .............................................................................. 49
9-4-2. Operation of remote control ....................................................................................... 49
9-4-3. Name and Functions of Indications on Remote Controller ......................................... 52
– 29 −
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
1. Basic
operation
Description
1. Operation control
Receiving the user’s operation condition setup, the operation statuses of indoor/outdoor units are
controlled.
1) The operation conditions are selected by the remote controller as shown in the below.
2) A signal is sent by ON button of the remote controller.
3) The signal is received by a sensor of the indoor unit and processed by the indoor controllers as
shown in the below.
4) The indoor controller controls the indoor fan motor and louver motor.
5) The indoor controller sends the operation command to the outdoor controller, and sends/receives
the control status with a serial signal.
6) The outdoor controller controls the operation as shown in the left, and also controls the compressor, outdoor fan motor, 4-way valve and pulse Modulating valve.
Remote controller
Selection of
operation conditions
ON/OFF
Control contents of remote controller
• ON/OFF (Air conditioner/Air purifier)
• Operation select (COOL/HEAT/AUTO/DRY)
• Temperature setup
• Air direction
• Swing
• Air volume select (AUTO/LOW/LOW+/MED/MED+/HIGH)
• ECO
• COMFORT SLEEP
• QUIET
• ON timer setup
• PRESET
• OFF timer setup
• ONE-TOUCH
• Hi-POWER
Indoor unit
Signal receiving
Indoor unit control
Operation command
Serial signal send/receive
Indoor unit control
• Command signal generating function of
indoor unit operation
• Calculation function (temperature calculation)
• Activation compensation function of indoor fan
• Cold draft preventive function
• Timer function
• Indoor heat exchanger release control
~
Outdoor unit
Serial signal send/receive
Outdoor unit control
Outdoor unit control
• Frequency control of inverter output
• Waveform composite function
• Calculation function
(Temperature calculation)
• AD conversion function
• Quick heating function
• Delay function of compressor reactivation
• Current release function
• GTr over-current preventive function
• Defrost operation function
– 30 –
• Indoor fan motor
• Louver motor
Inverter
• Compressor
• Outdoor fan motor
• 4-way valve
• Pulse Modulating valve
(P.M.V.)
• Freeze prevention heater
(V2 Series)
FILE NO. SVM-13069
Operation flow and applicable data, etc.
Item
1. Basic
operation
Description
2. Cooling/Heating operation
The operations are performed in the following parts by controls according to cooling/heating conditions.
1) Receiving the operation ON signal of the remote controller, the cooling or heating operation signal
starts being transferred form the indoor controller to the outdoor unit.
2) At the indoor unit side, the indoor fan is operated according to the contents of “2. Indoor fan
motor control” and the louver according to the contents of “9. Louver control”, respectively.
3) The outdoor unit controls the outdoor fan motor, compressor, pulse Modulating valve and
4-way valve according to the operation signal sent from the indoor unit.
Operation ON
Indoor unit control
Setup of remote controller
Indoor fan motor control / Louver control / Operation Hz
Control (Requierment)
Sending of operation command signal
Outdoor unit control
Compressor revolution control / Outdoor fan motor control /
Operation Hz control (Include limit control)
4-way valve control
In cooling operation: ON
In heating operation: OFF
Pulse Modulating valve control
[
3. AUTO operation
Selection of operation mode
As shown in the following figure, the operation starts by
selecting automatically the status of room temperature
(Ta) when starting AUTO operation.
*1. When reselecting the operation mode, the fan
speed is controlled by the previous operation mode.
Ta
Heat pump
Cooling only
°C
Cooling operation
Cooling operation
Monitoring (Fan)
Fan
Heating operation
Fan
Ts + 1
Ts – 1
]
1) Detects the room temperature (Ta) when
the operation started.
2) Selects an operation mode from Ta in
the left figure.
3) Fan operation continues until an
operation mode is selected.
4) When AUTO operation has started
within 2 hours after heating operation
stopped and if the room temperature is
68°F (20°C) or more, the fan operation is
performed with ”Super Ultra LOW” mode
for 3 minutes.
Then, select an operation mode.
5) In AUTO mode, either cooling or heating
operation will be selected. When room
temperature reach set temperature
commpressor will stop. In case that the
compressor stops for 15 minutes, the
AUTO mode will reselect cooling or
heating operation.
4. DRY operation
1) Detects the room temperature (Ta) when
DRY operation is performed according to the difference
the DRY operation started.
between room temperature and the setup temperature as
2) Starts operation under conditions in the
shown below.
left figure according to the temperature
In DRY operation, fan speed is controlled in order to
difference between the room temperaprevent lowering of the room temperature and to avoid air
ture and the setup temperature (Tsc).
flow from blowing directly to persons.
Setup temperature (Tsc)
= Set temperature on remote controller
°F [ C]
(Ts) + 0~1.0°C (0 to 2°F)
Ta
L– (W5)
3) When the room temperature is lower
2°F (1°C) or less than the setup
temperature, turn off the compressor.
+2.0 (1.0)
+1.0 (0.5)
(W5+W3) / 2
SUL (W3)
Tsc
Fan speed
− 31 −
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
2. Indoor fan
motor control
Description
<In cooling operation>
(This operation controls the fan speed at indoor unit side.)
The indoor fan (cross flow fan) is operated by the phasecontrol induction motor. The fan rotates in 5 stages in
MANUAL mode, and in 5 stages in AUTO mode, respectively. (Table 1)
UH
H
M+
M
L+
L
LUL
SUL
COOL ON
Fan speed setup
MANUAL
(Fig. 1)
Fan speed
Indication
AUTO
L
W6
L+
(L + M) / 2
M
W9
M+
(M + H) / 2
H
WC
(Fig. 2)
Air volume AUTO
Ta
°F [°C]
a
*3
*3 : Fan speed = [(M+) –L] x 3/4 + L
b
*4
*4 : Fan speed = [(M+) –L] x 2/4 + L
+2.0 (+1.0)
c
*5
*5 : Fan speed = [(M+) –L] x 1/4 + L
+1.0 (+0.5)
d
Tsc
e
+2.7 (+1.5)
* The values of fan speed and air flow
volume indicate on the table are measured
when the louver is inclined downward.
Fan speed and air flow volume broadly
vary with position of louver.
1) When setting the fan speed to L,
L+, M, M+ or H on the remote
controller, the operation is
performed with the constant
speed shown in Fig. 1.
2) When setting the fan speed to
AUTO on the remote controller,
revolution of the fan motor is
controlled to the fan speed level
shown in Fig. 2 and Table 1
according to the setup temperature and room temperature.
M+(WB)
+4.5 (+2.5)
+3.5 (+2.0)
* Symbols
: Ultra High
: High
: Medium+
: Medium
: Low+
: Low
: Low–
: Ultra Low
: Super Ultra Low
L(W6)
(Linear approximation
from M+ and L)
(Table 1) Indoor fan air flow rate
Fan speed
level
RAS-12EKV-UL
RAS-09EKV-UL
COOL
HEAT
DRY
Fan speed
Air flow rate
Fan speed
Air flow rate
(rpm)
cfm (m3/h)
(rpm)
cfm (m3/h)
433 (735)
WF
UH
1210
336 (571)
1510
WE
H
1210
336 (571)
1510
433 (735)
UH
1170
321 (546)
1480
422 (717)
404 (686)
WD
UH
M+
WC
H
H
1120
303 (515)
1430
WB
M+
M+
1040
274 (465)
1280
350 (594)
M
1000
248 (421)
1220
328 (557)
302 (514)
WA
W9
M
W8
W7
L+
W6
L
W5
L-
L+
960
235 (400)
1150
L
870
200 (340)
1000
248 (421)
850
194 (330)
980
241 (409)
L-
L+
L
760
159 (270)
920
219 (372)
UL
L-
760
159 (270)
900
212 (360)
W4
UL
UL
700
141 (240)
840
190 (323)
W3
SUL
SUL
650
118 (200)
770
165 (280)
500
65 (110)
620
110 (187)
500
65 (110)
520
74 (126)
W2
W1
SUL
– 32 –
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
2. Indoor fan
motor control
Description
<In heating operation>
1) When setting the fan speed to L,
L+, M, M+ or H on the remote
controller, the operation is performed with the constant speed
shown in Fig. 3 and Table 1.
2) When setting the fan speed to
AUTO on the remote controller,
revolution of the fan motor is
controlled to the fan speed level
shown in Fig. 5 according to the set
temperature and room temperature.
3) Min air flow rate is controlled by
temperature of the indoor heat
exchanger (Tc) as shown in Fig. 4
for prevent high temperature of heat
exchanger.
4) Cold draft prevention, the fan speed
is controlled by temperature of the
indoor heat exchanger (Tc) as shown
in Fig. 6 for keep warm temperature
of air flow.
5) In order to prevent Cold draft when
compressor stop during heating
operation. Then louver will move to
upper position and fan speed will
reduce or off.
HEAT ON
Fan speed setup
MANUAL
(Fig. 3)
Indication
AUTO
Fan speed
L
W8
L+
(L + M) / 2
M
WA
M+
(M + H) / 2
H
TC ≥ 107.6ºF (42 C)
YES
WE
Min air flow rate control
NO
Limited to Min WD tap
Tc ºF (ºC)
126 (52)
124 (51)
*
108 (42)
106 (41)
(Fig. 4)
No limit
* Fan speed =
(TC –
– W8) + W8
Cold draft preventive control
Basic fan control
Fan speed
AUTO
Ta °F [°C]
TSC
b
L+ (W9)
-1.0 (-0.5)
-2.0 (-1.0)
-2.7 (-1.5)
-3.5 (-2.0)
-4.5 (-2.5)
Tc °F (°C)
115 (46) 115 (46)
93 (34)
113 (45) 113 (45) 91 (33)
H (WE)
c
d
*1
e
*2
91 (33) 91 (33)
90 (32) 90 (32)
Linear-approximate
H and SUL with Tc.
70 (21)
68 (20)
*A+4
*A+4
*A+4
*A-4
*A-4
*A-4
SUL (W2)
f
*3
Stop
g
-9.0 (-5.0)
Fan speed MANUAL in starting
Fan speed AUTO in stability
Fan speed AUTO in starting
M+ (WD)
-10.0 (-5.5)
H (WE)
*1: Fan speed = [(M+) − (L+)] x 1 4 + L+
*2: Fan speed = [(M+) − (L+)] x 2 4 + L+
*3: Fan speed = [(M+) − (L+)] x 3 4 + L+
(Calculated with linear approximation from M+ and L+)
* No limitation while fan speed MANUAL mode is in stability.
* A: When Tsc ≥ 75°F (24°C), A is 75°F (24°C), and
when Tsc < 75°F (24°C), A is Tsc
Tsc: Set value
(Fig. 6)
(Fig. 5)
[In starting and in stability]
In starting
FAN AUTO
In stability
• Until 12 minutes passed after operation start
• When 12 to 25 minutes passed after operation start
and room temp. is higher than [set temp. -5.4ºF (–3°C)]
• When 12 to 25 minutes passed after operation
start and room temp. is 5.4°F (3°C) or lower than set temp. • When 25 minutes or more passed after operation start
• Room temp. ≥ Set temp. -6.3°F (–3.5°C)
FAN Manual • Room temp. < Set temp. -7°F (– 4°C)
– 33 –
FILE NO. SVM-13069
Item
3. Outdoor fan
motor control
Operation flow and applicable data, etc.
Description
The blowing air volume at the outdoor unit side is controlled.
Receiving the operation command from the controller of
indoor unit, the controller of outdoor unit controls fan speed.
* For the fan motor, a DC motor with non-stage variable
speed system is used. However, it is limited to 8 stages for
reasons of controlling.
1) The operation command sent
from the remote controller is
processed by the indoor unit
controller and transferred to the
controller of the outdoor unit.
2) When strong wind blows at
outdoor side, the operation of air
conditioner continues with the
fan motor stopped.
3) Whether the fan is locked or not
is detected, and the operation of
air conditioner stops and an
alarm is displayed if the fan is
locked.
4) According to each operation
mode, by the conditions of
outdoor temperature (To) and
compressor revolution, the speed
of the outdoor fan shown in the
table is selected.
Air conditioner ON
(Remote controller)
Indoor unit controller
1) Outdoor unit
operation command
(Outdoor fan control)
2) Fan speed ≥ 400.
when the motor OFF.
(by strong wind)
NO
YES
Fan motor OFF continues
(Use wind for heat
exchanging)
YES
Air conditioner
OFF
Fan motor ON
3) Fan lock
NO
Alarm
display
4) Motor operates as shown in the table below.
In cooling operation
~ 13.8
Compressor speed (rps)
To
In Heating operation
~ 31.7
32.3 ~ MAX
Compressor speed (rps) ~16.8 ~47.9 48.5 ~ MAX
MIN MAX MIN MAX MIN MAX
To ≥ 100°F (38°C)
f2
f3
fC
fD
fE
fF
To ≥ 82°F (28°C)
f2
f3
fA
fC
fD
fF
To
To ≥ 50°F (10°C)
f3
f8
f9
To ≥ 42°F (15°C)
f3
f9
fA
To ≥ 22°F (-5°C)
f8
fA
fD
To ≥ 59°F (15°C)
f2
f3
f7
fA
f9
fC
To < 22°F (-5°C)
fB
fC
fD
To ≥ 42°F (5.5°C)
f1
f3
f2
f5
f4
f7
To ≥ 50°F (10°C)
f3
f3
f6
To ≥ 32°F (0°C)
f1
f1
f1
f2
f2
f4
To ≥ 42°F (15°C)
f3
f8
To < 32°F (0°C)
f0
f0
f0
f1
f1
f2
During
ECO mode To ≥ 22°F (-5°C)
f3
f5
f9
f9
f2
f3
fB
fC
fC
fD
To < 22°F (-5°C)
f7
fA
fB
f2
f3
f2
f3
fB
fC
fA
fB
fD
fF
fD
fF
To ≥ 100°F (38°C)
During
ECO mode To ≥ 100°F (38°C)
When To is abnormal
fD
fF
fD
When To is abnormal
Outdoor fan speed (rpm)
Tap
RAS-09EA Series
RAS-12EA Series
Tap
RAS-09EA Series
RAS-12EA Series
f0
0
0
f8
600
600
f1
200
200
f9
600
650
fA
600
700
f2
300
300
f3
370
370
fB
650
700
f4
440
440
fC
700
800
f5
440
440
fD
700
800
f6
500
500
fE
700
800
f7
550
550
fF
700
900
– 34 –
FILE NO. SVM-13069
Item
4. Capacity
control
Operation flow and applicable data, etc.
Description
The cooling or heating capacity depending on the load is
adjusted.
According to difference between the setup value of temperature and the room temperature, the capacity is adjusted by
the compressor revolution.
1) The difference between set
temperature on remote controller
(Ts) and room temperature (Ta)
is calculated.
2) According to the temperature
difference, the correction value of
Hz signal which determines the
compressor speed is set up.
3) The rotating position and speed
of the motor are detected by the
electromotive force occurred on
the motor winding with operation
of the compressor.
4) According to the difference
resulted from comparison of the
correction value of Hz signal with
the present operation Hz, the
inverter output and the commutation timing are varied.
5) Change the compressor motor
speed by outputting power to the
compressor.
* The contents of control
operation are same in cooling
operation and heating
operation
Remote contr oller
Indoor unit
Set temp. (Ts)
Room temp. (Ta)
Ts −Ta
Correction value of Hz signal
Detection of electromotive force
of compressor motor winding
Detection of motor speed (Operation Hz)
and rotor position
Correction value of Hz signal- Operating Hz
Inverter output change
Commutation timing change
Change of compressor speed
5. Current release This function prevents troubles on the electronic parts of the
control
compressor driving inverter.
This function also controls drive circuit of the compressor
speed so that electric power of the compressor drive circuit
does not exceed the specified value.
Outdoor temp. To
Outdoor unit inverter main
circuit control current
Setup of current release point
High
Operating current ≤
Setup value
Low
Reduce compressor speed
Current decrease
Capacity control continues
1) The input current of the outdoor
unit is detected in the inverter
section of the outdoor unit.
2) According to the detected
outdoor temperature, the
specified value of the current is
selected.
3) Whether the current value
exceeds the specified value or
not is judged.
4) If the current value exceeds the
specified value, this function
reduces the compressor speed
and controls speed up to the
closest one commanded from the
indoor unit within the range
which does not exceed the
specified value.
Cooling current release value
Heating current release value
RAS-09EA Series
RAS-12EA Series
RAS-09EA Series
RAS-12EA Series
3.97A
4.27A
6.30A
7.72A
111ºF (44ºC)
4.35A
4.88A
61ºF (16ºC)
102ºF (39ºC)
6.30A
8.47A
52ºF (11ºC)
60ºF (15.5ºC)
6.30A
8.10A
6.30A
8.47A
Outdoor temp.
113ºF (45ºC)
104ºF (40ºC)
51ºF (10.5ºC)
– 35 –
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
Indoor heat exchanger temperature
6. Release protective <In cooling/dry operation>
control by tempera- (Prevent-freezing control for indoor heat exchanger)
ture of indoor heat
In cooling/dry operation, the sensor of indoor heat
exchanger
exchanger detects evaporation temperature and
controls the compressor speed so that temperature of
the heat exchanger does not exceed the specified
value.
Usual cooling capacity control
R
45 F
(7 C)
43 F
(6 C)
Q
41 F
(5 C)
P
When the value is
in Q zone, the
compressor speed
is kept.
1) When temperature of the indoor
heat exchanger drops below 41°F
(5°C), the compressor speed is
reduced. (P zone)
2) When temperature of the indoor
heat exchanger rises in the
range from 43°F (6°C) to under
45°F (7°C), the compressor
speed is kept. (Q zone)
3) When temperature of the indoor
heat exchanger rises to 45°F (7°C)
or higher, the capacity control
operation returns to the usual
control in cooling operation.
(R zone)
Reduction of compressor speed
<In heating operation>
(Prevent-overpressure control for refrigerating cycle)
In heating operation, the sensor of indoor heat exchanger detects condensation temperature and controls
the compressor speed so that temperature of the heat
exchanger does not exceed the specified value.
Indoor heat exchanger temperature
Description
Reduction of compressor speed
P
131 F
(55 C)
126 F
(52 C)
Q
118 F
(48 C)
When the value is
in Q zone, the
compressor speed
is kept.
R
Usual heating capacity control
– 36 –
1) When temperature of the indoor
heat exchanger rises in the
range from 126°F (52°C) to 131°F
(55°C), compressor speed is kept.
(Q zone)
When temperature of the indoor
heat exchanger drops in the
range from 118°F (48°C) to under
131°F (55°C) the compressor
speed is kept. (Q zone)
2) When temperature of the indoor
heat exchanger rises to 131°F
(55°C) or higher, the compressor
speed is reduced. (P zone)
3) When temperature of the indoor
heat exchanger does not rise to
126°F (52°C), or when it drops
below to 118°F (48°C), the capacity
control operation returns to the
usual control in heating operation.
(R zone)
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
7. Defrost control (This function removes frost adhered to the outdoor
(Only in heating heat exchanger.)
operation)
The temperature sensor of the outdoor heat exchanger (Te sensor) judges the frosting status of the
outdoor heat exchanger and the defrost operation is
performed with 4-way valve reverse defrost system.
Outdoor heat exchanger temperature
Start of heating operation
0’
10’ 15’
27’40”
34’
Operation time
(Minute)
23 F
(–5 C)
C zone
19 F
(–7 C)
A zone
−4 F
(–20 C)
*
B zone
* The minimum value of Te sensor 10 to 15 minutes
after start of operation is stored in memory as Te0.
Table 1
A zone
When Te0 - TE ≥ 4.5°F (2.5°C) continued for 2 minutes in
A zone, defrost operation starts.
B zone
When the operation continued for 2 minutes in B zone,
defrost operation starts.
C zone
When Te0 - TE ≥ 5.4°F (3°C) continued for 2 minutes in
C zone, defrost operation starts.
– 37 –
Description
The necessity of defrost operation is
detected by the outdoor heat exchanger
temperature. The conditions to detect the
necessity of defrost operation differ in A,
B, or C zone each. (Table 1)
<Defrost operation>
• Defrost operation in A to C zones
1) Stop operation of the compressor for
20 seconds.
2) Invert (ON) 4-way valve 10 seconds
after stop of the compressor.
3) The outdoor fan stops at the same time
when the compressor stops.
4) When temperature of the indoor heat
exchanger becomes 100°F (38°C) or
lower, stop the indoor fan.
<Finish of defrost operation>
• Returning conditions from defrost
operation to heating operation
1) Temperature of outdoor heat exchanger
rises to 46°F (8°C) or higher.
2) Temperature of outdoor heat exchanger is
kept at 41°F (5°C) or higher for 80 seconds.
3) Defrost operation continues for
15 minutes.
<Returning from defrost operation>
1) Stop operation of the compressor for
approx. 50 seconds.
2) Invert (OFF) 4-way valve approx. 40
seconds after stop of the compressor.
3) The outdoor fan starts rotating at the
same time when the compressor starts.
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
Description
8. Louver control This function controls the air direction of the indoor unit.
1) Louver
• The position is automatically controlled according to the operation
position
mode (COOL/HEAT).
• The set louver position is stored in memory by the microcomputer,
and the louver returns to the stored position when the next operation
is performed. (Cooling/Heating memory position)
The angle of the louver is indicated as the louver closes fully is 0°.
1) Louver position in cooling operation
Initial setting of "Cooling storage position"
Louver : Directs downward (35.3°)
2) Louver position in heating operation
Heating operation/
AUTO (HEAT)
Initial setting of “Heating storage position”
Louver : Directs downward (80.5 )
• The louver position can
be arbitrarily set up by
pressing [FIX] button.
2) Air direction adjustment
Air direction
Horizontal
blowing
3) Swing
Inclined
blowing
Blowing
downward
Inclined
blowing
Horizontal
blowing
• Swing operation is perfor in range 35° with the Fixed position as
the center.
• If the swing range exceeded either upper or lower limit position,
swing operation is perfomed in range 35° from the limit.
Upper Limit
Position.
Swing
range 35o
Fixed Position
before start
swing.
17.5o
17.5o
Lower Limit
Position.
Upper Limit
Position.
Fixed
Position
before start
swing
Swing
range 35o
– 38 –
5o
30o
Lower Limit
Position
• Swing
When pressing
[SWING] button during
operation, the louver
starts swinging.
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
9. ECO
operation
Description
<Cooling operation>
When pressing [ECO] button on the remote controller, a
Economic operation is performed.
1) The control target temperature
increase 1.0°F (0.5ºC) per hour
up to 3.5°F (2°C) starting from the
set temperature when ECONO
has been received.
<Cooling operation>
This function operates the air conditioner with the difference
between the set and the room temperature as shown in the
following figure.
Zone Frequency
12
11
10
9
8
7
6
5
4
3
2
11.0 (6.0)
10.0 (5.5)
9.0 (5.0)
8.0 (4.5)
7.0 (4.0)
6.3
5.5
4.5
3.5
2.7
2.0
(3.5)
(3.0)
(2.5)
(2.0)
(1.5)
(1.0)
1.0
(0.5)
Dry Max
*12
*11
*10
*9
*8
Min
Hz
1
0.0 TSC
-1.0 (-0.5)
-2.0 (-1.0)
-3.5 (-2.0)
FAN
3) The compressor speed is
controlled as shown in the left
figure.
during the ECO operation.
(°C)
(6.5)
The indoor fan speed is not controlled and can be selected
(Room temp. – Set temp.)
°F
11.7
2) The indoor fan speed is depend
on presetting and can change
every speed after setting ECO
operation.
OFF
1H
2H
3H
4H
Time
* 12 (DRY max - COOL min) /6 x 5 + COOL min
* 11 (DRY max - COOL min) /6 x 4 + COOL min
* 10 (DRY max - COOL min) /6 x 3 + COOL min
* 9 (DRY max - COOL min) /6 x 2 + COOL min
* 8 (DRY max - COOL min) /6 x 1 + COOL min
Hz
09EKV-UL 12EKV-UL
Cool min
20
11
DRY max
35
31
< Heating Operation >
o
Room temp. - Set temp.
F
<Heating operation>
(oC)
0.0
(0.0)
-2.0
(1.0)
-3.5
(2.0)
-5.5
(3.0)
-7.0
(4.0)
-9.0
(5.0)
-11.0
(6.0)
-12.5
(7.0)
-14.0
(8.0)
-16.0
(9.0)
Compressor stop
1) The difference of room temperature
and set temperature are separated
in to A zone, B zone and C zone.
Three zone will changed again 30
minutes after ECO operation start.
A Zone
B Zone
A Zone
C Zone
2) The compressor speed is
controlled as shown on the table.
3) The indoor fan speed is not
controlled and can be selected
during the ECO operation.
B Zone
-18.0 (10.0)
-20.0 (11.0)
C Zone
-22.0 (12.0)
ECO Start
30 minutes
Time
Compressor speed (Hz)
Zone
A
B
C
Model
09EKV-UL
12EKV-UL
20
13
Linear aproximation
between A to C
50
43
– 39 –
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
10. Temporary Pressing [RESET] button starts the temporary operaoperation
tion of [AUTO] operation. When keeping [RESET]
button pressed for 10 seconds or more, the temporary
[COOL] operation is performed.
YES
Filter lamp ON
Press RESET button.
NO
NO
Did you press [RESET] button
for 3 seconds or more?
Temporary [AUTO] operation
YES
YES
Did you press [RESET] button
for 10 seconds or more?
NO
Set or Reset [AUTO RESTART]
243°F (117°C)
233°F (112°C)
226°F (108°C)
221°F (105°C)
208°F (98°C)
1) When pressing [RESET] button, the
temporary [AUTO] operation starts.
2) When keeping [RESET] button pressed
for 3 seconds or more, Pi, Pi, Pi sound is
heard and [AUTO RESTART] control is
changed.
3) When keeping [RESET] button pressed
for 10 seconds or more, “Pi” sound is
heard and the temporary [COOL]
operation starts.
4) If the filter lamp goes on, press [RESET]
button to go off the filter lamp, and then
press [RESET] button again.
5) To stop the temporary operation, press
the button again.
Temporary [COOL] Operation
11. Discharge temperature control
Td value
Description
Control operation
Judges as an error and stops the compressor.
Reduce the compressor speed.
Reduce slowly compressor speed.
Keeps the compressor speed.
If the operation is performed with lower speed than one
commanded by the serial signal, speed is slowly raised
up to the commanded speed.
Operates with speed commanded by the serial signal.
– 40 –
1. Purpose
This function detects error on the
refrigerating cycle or error on the compressor, and performs protective control.
2. Operation
• Control of the compressor speed
The speed control is performed as
described in the left table based upon
the discharge temperature.
FILE NO. SVM-13069
Item
Operation flow and applicable data, etc.
Description
12. Pulse
Modulating
valve (P.M.V.)
control
This function controls throttle amount of the
refrigerant in the refrigerating cycle.
According to operating status of the air conditioner,
this function also controls the open degree of valve
with an expansion valve with pulse Modulation.
1) When starting the operation, move the
valve once until it fits to the stopper.
(Initialize)
* In this time, “Click” sound may be
heard.
2) Adjust the open degree of valve by super
heat amount. (SH control)
3) If the discharge temperature was excessively up, adjust the open degree of valve
so that it is in the range of set temperature. (Discharge temp. control)
Starting up
4) When defrost operation is performed, the
open degree of valve is adjusted according to each setup conditions during
preparation for defrost and during defrost
operation (4-way valve is inversed.).
5) When operation is OFF by the remote
controller or when compressor is OFF by
room temperature control, the open
degree of valve is adjusted to the stop
position.
Initialize
Move to
initial position
Compressor ON
Td
release control
SH control
PMV open degree control
Turn OFF by
remote controller
Compressor Stop by
"Room Temperature
Control"
Move to "Stop
Position" (Setup
from factory)
Defrosting
operation
Move to "Defrost
Position" (Setup
from factory)
* SH (Super Heat amount) =
Ts (Temperature of suction pipe of the compressor) –
Tc or Te (Heat exchanger temperature at evaporation side)
* PMV: Pulse Modulating Valve
– 41 –
FILE NO. SVM-13069
Item
Description
Operation flow and applicable data, etc.
13. Self-Cleaning
function
Unit now performing cooling or dry operation
Press “STOP” button
Only timer indicator lights, and Self Cleaning operation starts
1. Purpose
The Self-Cleaning operation is to minimize the
growth of mold, bacteria etc. by running
the fan and drying so as to keep the
inside of the air conditioner clean.
Self-Cleaning operation
When the cooling or dry operation shuts
down, the unit automatically starts the SelfCleaning operation which is then performed
for the specified period based on duration
of the operation which was performed
prior to the shutdown, after which the
Self-Cleaning operation stops.
(The Self-Cleaning operation is not
performed after a heating operation.)
2. Operation
1) When the stop signal from the remote
controller or timer-off function is received,
only the timer indicator light.
2) The period of the Self-Cleaning operation
is determined by the duration of the
operation performed prior to the
reception of the stop code.
3) After the Self-Cleaning operation has
been performed for the specified period,
the unit stops operating.
Time set now elapses
Operation stops
• During Self-Cleaning operations: The louver opens
slightly. The indoor fan operates continuously at
a speed of 500 rpm.
Self-Cleaning operation times
Operation time
Cooling: Auto (cooling) Dry
Self-Cleaning operation time
Up to 10 minutes
No Self-Cleaning operation
performed (0 minutes)
10 minutes
or longer
30 mins.
Heating: Auto (heating)
Auto (fan only)
No Self-Cleaning operation performed
Shutdown
• To stop an ongoing Self-Cleaning operation at any time
Press the start/stop button on the remote controller twice during the Self-Cleaning
operation. (After pressing the button for the first time, press it for the
second time without delay (within 10 minutes).)
– 42 –
FILE NO. SVM-13069
Item
13. Self-Cleaning
function
Operation flow and applicable data, etc.
Description
• Self-Cleaning diagram
Operation display
ON
OFF
OFF
FCU fan
ON
rpm is depend on presetting.
ON
(500RPM)
OFF
FCU louver
OPEN
OPEN (12.7º)
CLOSE
Timer display
ON or OFF
depend on presetting of timer function.
ON
ON or OFF
depend on presetting of timer function.
Compressor
ON or OFF
depend on presetting per room temperature.
OFF
OFF
ON or OFF
depend on presetting per room temperature.
OFF
OFF
Cool mode or dry mode
operation more than 10 mins.
Self-Cleaning mode
operate 30 mins.
CDU fan
Operation time
Turn off by remote controller or
timer-off function.
Automatically turn-off.
How to Set or Cancel Self-Cleaning operation.
(Default setting from factory is ON)
1. Connect jumper lead at J201 of the indoor P.C. board
assembly.
2. To cancel Self-Cleaning operation.
Turn the power supply ON
Press the [RESET] button located on the front
panel of the indoor unit for more than 3 seconds.
After 3 seconds, the unit beeps three times.
The Self-Cleaning is cancelled.
3. To set Self-Cleaning operation.
Turn the power supply ON
Press the [RESET] button located on the front
panel of the indoor unit for more than 3 seconds.
After 3 seconds, the unit beeps three times
and the indicator blinks for 5 seconds.
The Self-Cleaning is set.
− 43 −
One J201 is added, it will effect
as following.
The operation when press
the RESET button for
3 seconds will be changed
from Set/Cancel the
AUTO-RESTART to
Set/Cancel the
Self-Cleaning.
AUTO-RESTART function
will not activate. In case of
AUTO-RESTART is need,
disconnect the jumper
J201 and set it again after
Set/Cancel the
Self-Cleaning finished.
Note :
J201 is near the MCU, so
so take steps to ensure
that it will not be exposed
to excessive of heat.
Also take care to avoid
solder bridging with the
surrounding components.
FILE NO. SVM-13069
Item
Description
Operation flow and applicable data, etc.
J201
PCB NO : WP-020
PCB NO : MCC-5045
PCB NO : MCC-5046
14. Remote-A or B Setting the remote controller
selection
To separate using of remote control for each indoor
unit in case of 2 air conditioner are installed nearly.
Remote Control B Setup.
1) Press RESET button on the indoor unit to turn
the air conditioner ON.
2) Point the remote control at the indoor unit.
3) Push and hold CHK • button on the Remote
Control by the tip of the pencil. "00" will be shown
shown on the display.
4) Press MODE • during pushing CHK • . "B" will
show on the display and "00" will disappear and
the air conditioner will turn OFF. The Remote
Control B is memorized.
Note : 1. Repeat above step to reset Remote Control
to be A.
2. Remote Control A has not "A" display.
3. Default setting of Remote Control from
factory is A.
1
2
− 44 −
1. Purpose
This operation is to operate only one
indoor unit using one remote controller.
2. Description
When operating one indoor unit in a
situation where two indoor units have
been installed in the same room or
nearby rooms, this operation prevents the
remote controller signal from being
received simultaneously by both units,
thus preventing both units from operating.
3. Operation
The indoor unit on which the remote
controller selection has been set to B
receives the signal of the remote controller also set to B.
(At the factory the remote controller
selection is set to A on all the indoor
units. There is no A setting display.)
FILE NO. SVM-13069
Item
15. QUIET mode
Description
Operation flow and applicable data, etc.
When the [QUIET] button is pressed, the fan of the
indoor unit will be restricted the revolving speed at
speed L − until the [QUIET] button is pressed once
again (cancel Quiet mode).
Quiet mode is the system which, control the
revolving speed of indoor fan to work
constantly at lower than speed L. In addition,
noise level of indoor unit is less than usual.
Remarks :
1. Quiet mode is unable to work in dry mode.
2. Quiet mode is appropriate to work with less.
cooling load and less heating load condition.
Because of the fan speed L- may cause not
enough the cooling capacity or heating
capacity.
16. COMFORT
SLEEP
Cooling mode
• The preset temperature will increase as
show on ECO operation (Item No. 9)
• Press the [COMFORT SLEEP] button to
choose the operating hours. Repeat
pressing to select the hours.
(1hr, 3hr, 5hr or 9hr)
• If the [COMFORT SLEEP] button is pressed
again means cancel comfort sleep mode.
Heating mode
The principles of comfort sleep mode are:
• Quietness for more comfortable. When
room temperature reach setting temperature
• Save energy by changing room temperature
automatically.
• The air condition can shut down by itself
automatically.
Remarks:
Comfort sleep mode will not operate in dry
mode and fan only mode.
.
• The preset temperature will drop down as
show on ECO operation (Item No. 9)
• Press the [COMFORT SLEEP] button to
choose the operating hours. Repeat
pressing to setect thehours.
(1hr, 3hr, 5hr or 9 hr)
• If the [COMFORT SLEEP] button is pressed
again means cancel comfort sleep mode.
17. One-Touch
Comfort
One touch comfort is the fully automated operation
that is set according to the preferable condition in
a region.
0
* AUTO/L
12
L
25
When an indoor unit receives "One Touch
Comfort Signal" from the remote controller,
the indoor unit operates as following.
1) Air conditioner starts to operation when
the signal is received, even if the air
conditioner was OFF.
Fan
Operation
AUTO
Operation condition for model to Europe
market
Time after operation
starts (min)
*AUTO/L: Fan operates depends on the setting
temperature and room temperature.
During the One Touch Comfort mode if the indoor
unit receives any signal with other operation mode,
the unit will cancel the comfort mode and operates
according to the signal received.
− 45 −
2) Operation mode is set according to room
temperature, the same as AUTO mode.
3) Target temperature is 75°F (24ºC).
4) Louver position is set as stored position
of the operating mode.
5) Fan is controlled as followings.
FILE NO. SVM-13069
Item
18. Hi-POWER
Mode
Operation flow and applicable data, etc.
Description
([Hi-POWER] button on the remote controller
is pressed)
When [Hi-POWER] button is pressed while the indoor
unit is in Auto, Cooling or Heating operation, HiPOWER mark is indicated on the display of the remote
controller and the unit operates as follows.
∗ The Hi-POWER operation will be cancelled
when press [Hi-POWER] button again.
.
1. Automatic operation
• The indoor unit operates in according to the
current operation.
2. Cooling operation
• The preset temperature drops 2.0°F (1ºC)
(The value of the preset temperature on the
remote controller does not change.)
The indoor unit's fan speed level increase 1 tap
3. Heating operation
• The preset temperature increases 3.5°F (2ºC)
(The value of the preset temperature on the
remote controller does not change.)
The indoor unit's fan speed level increase 1 tap
4. The Hi-POWER mode can not be set in Dry
operation
19. FILTER
Indicator
When the elapsed time reaches 1000 hours after
conditioner operation, the FILTER indicator lights.
After cleaning the filters, turn off the FILTER indicator.
How to Turn Off FILTER Indicator
Press [RESET] button on the indoor unit.
NOTE :
If [RESET] button is pushed while the FILTER indicator
is not lit, the indoor unit will start the automatic
operation.
20. Cord heater
<Base plate cord heater control>
control
(V2 Series only)
TO temp.
Heater output
OFF
4˚C
0˚C
ON
(Equivalent to 75W)
When TO sensor is defective, turn off normal heater
output. When COOL thermostat is ON, turn off the
heater output.
− 46 −
1. Purpose
Base plate freeze prevention of the
outdoor unit
2. Operation
As shown in the left figure, the base
plate freeze preventive heater is
controlled by temperature of the
outside temp. sensor (TO).
.
FILE NO. SVM-13069
9-3. Auto Restart Function (Default setting from factory is ON).
This indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with
the set operating conditions in the event of a power supply being accidentally shut down.
The operation will resume without warning three minutes after power is restored.
This function is set to work from the factory.
The Auto Restart Function will not restart operation of the air conditioner in following case.
• The Auto Restart Function is setup to OFF.
• The power supply is shut down during the air conditioner is OFF.
• The power supply is shut down when timer operatio is set.
9-3-1. How to Cancel the Auto Restart Function
To cancel Auto Restart Function, proceed as follows.
1. The power supply to the unit must be ON ; The function will not set or reset if the power supply is OFF.
2. Press the [RESET] button located on the front panel of the indoor unit for more than 3 seconds.
3. After 3 seconds, the unit beeps three times.
• When the system is on stand-by (not operating)
Operation
Press [RESET] button for more than
three seconds. (Less than 10 seconds)
Motions
The unit is on standby.
↓
The unit starts to operate.
↓
The green indicator is on.
After approx. three seconds,
The unit beeps three times and continues to operate.
If the unit is not required to operate at this time, press [RESET]
button once more or use the remote controller to turn it off.
RESET
RESET button
• When the system is operating
Operation
Press [RESET] button for more than
three seconds. (Less than 10 seconds)
Motions
The unit is in operation.
The green indicator is on.
↓
The unit stops operating.
↓
The green indicator is turned off.
After approx. three seconds,
The unit beeps three times.
If the unit is required to operate at this time, press [RESET] button
once more or use the remote controller to turn it on.
RESET
RESET button
– 47 –
FILE NO. SVM-13069
9-3-2. How to Set the Auto Restart Function
To set Auto Restart Function, proceed as follows:
1. The power supply to the unit must be ON ; The function will not set or reset if the power supply is OFF.
2. Press the [RESET] button located on the front panel of the indoor unit for more than 3 seconds.
3. After 3 seconds, the unit beeps three times and the indicator blinks for 5 seconds.
• When the unit is standby (Not operating)
Operation
Motions
Press [RESET] button for more than
three seconds. (Less than 10 seconds)
The unit is on standby.
↓
The unit starts to operate.
↓
After approx. three seconds,
The unit beeps three times
and continues to operate.
RESET
The green indicator is on.
The green indicator flashes
for 5 seconds.
If the unit is not required to operate at this time, press [RESET]
button once more or use the remote controller to turn it off.
RESET button
• When the unit is in operation
Operation
Motions
Press [RESET] button for more than
three seconds. (Less than 10 seconds)
The unit is in operation.
↓
The unit stops operating.
↓
The green indicator is turned off.
After approx. three seconds,
The unit beeps three times.
RESET
The green indicator is on.
The green indicator flashes
for 5 seconds.
If the unit is required to operate at this time, press [RESET] button
once more or use the remote controller to turn it on.
RESET button
• While the filter check indicator is on, the RESET button has the function of filter reset betton.
9-3-3. Power Failure During Timer Operation
• If Timer operation is set and the power supply shut down accidentally, the previous Timer setting
will be cancelled.
• Daily-Timer operation will be not affected by power supply failure, if the remote controller is
located on the position which it can send the command signal to the indoor unit. It is because the remote
controller will send signal every 30 minutes and Daily-Timer operation will be restore.
– 48 –
FILE NO. SVM-13069
9-4. Remote controller and Its functions
9-4-1. Parts name of remote controller
1
2
3
4
5
6
7
8
9
18
10
19
11
12
20
13
14
15
16
17
18
19
20
21
Infrared signal emitter
Start/Stop button
Mode select button (MODE)
Temperature button (TEMP)
Fan speed button (FAN
Swing louver button (SWING)
Set louver button (FIX)
On timer button (ON)
Off timer button (OFF)
Sleep timer button (SLEEP)
Setup button (SET)
Clear button (CLR)
Memory and Preset button (PRESET)
One Touch button (ONE-TOUCH)
High power button (Hi-POWER)
Economy button (ECO)
Quiet button (QUIET)
Comfort sleep button (COMFORT SLEEP)
Filter reset button (FILTER)
Clock Reset button (CLOCK)
Check button (CHK)
PRESET
FAN
TEMP
ONE-TOUCH
MODE
QUIET
COMFORT
SLEEP
SWING
FIX
Hi-POWER ECO
CLR
TIMER
ON
OFF
SLEEP
SET
°C/°F CHK
FILTER
CLOCK
9-4-2. Operation of remote control
1. ONE-TOUCH
Press the "ONE-TOUCH" button for fully automated operation that is customised to the typical consumer
preferences in your region of the world. The coutomised settings control temperature air flow strength, air flow
direction and other settings to provide you alternate contact with "ONE-TOUCH" OF THE BUTTON. If you
prefer other settings you can select from the many other operation functions of your Toshiba carrier unit
Press
ONE-TOUCH : Start the operaton.
2. AUTOMATIC OPERATION
To automatically select cooling, heating, or fan only operation.
1. Press
MODE : Select A.
2. Press
TEMP : Set the desired temperature.
3. COOLING / HEATING / FAN ONLY OPERATION
1. Press
MODE : Select Cool
, Heat
, or Fan only
2. Press
TEMP : Set the desired temperature.
.
Cooling: Min. 62°F (17°C), Heating : Max, 86°F (30°C), Fan Only: No temperature indication
3. Press
HIGH
FAN : Select AUTO, LOW , LOW+
, MED
.
− 49 −
, MED+
, or
FILE NO. SVM-13069
4. DRY OPERATION (COOLING ONLY)
For dehumidification, a moderate cooling performance is controlled automatically.
1. Press
MODE : Select Dry
.
2. Press
TEMP : Set the desired temperature.
5. Hi-POWER OPERATION
To automatically control room temperature and airflow for faster cooling or heating
operation (except in DRY and FAN ONLY mode)
Press
HI-POWER : Start and stop the operation.
6. ECO OPERATION
To automatically control room to save energy (except in DRY and FAN ONLY mode)
Press
ECO : Start and stop the operation.
Note: Cooling operation; the set temperature will increase automatically 1.8°F (1°C)/
hour for 2 hours (maximum 3.6°F (2°C) increase). For heating operation the
set temperature will decrease.
7. TEMPORARY OPERATION
In case of the misplaced or discharged remote control
• Pressing the RESET button, the unit can start or stop
without using the remote control.
• Operation mode is set on AUTOMATIC
operation, preset temperature is 75°F (24°C)
and fan operation is automatic speed.
8. TIMER OPERATION
Setting the ON Timer
Setting the OFF Timer
1
Press
ON
: Set the desired ON timer.
Press
OFF
2
Press
SET
: Set the timer.
Press
SET
: Set the timer.
3
Press
CLR
: Cancel the on timer.
Press
CLR
: Cancel the OFF timer.
: Set the desired OFF timer.
Everyday timer allows the user to set both the ON & OFF timers and will be activated on a daily basis.
Setting Everyday Timer
SET
1
Press
ON
: Set the ON timer.
3
Press
2
Press
OFF
: Set the OFF timer.
4
Press
button during the ( or )
mark flashing.
.
SET
• During the every day timer is activation, both arrows ( or ) are indicated.
Note:
• Keep the remote control in accessible transmission to the indoor unit;
otherwise, the time lag of up to 15 minutes will occur.
• The setting will be saved for the next same operation.
– 50 –
FILE NO. SVM-13069
9. PRESET OPERATION
Set your preferred operation for future use. The setting will be memorized by the
unit for future operation (except air flow direction).
1. Select your preferred operation.
2. Press and hold
PRESET for 3 seconds to memorize the setting. The P mark
displays.
3. Press
PRESET : Operate the preset operation.
10. AUTO RESTART OPERATION
To automatically restart the Air conditioner after the power failure (Power of the unit
must be on.)
Setting
1. AUTO RESTART is an initial setting from factory.
• Do not operate ON timer and OFF timer.
2. Press and hold the RESET button on the indoor unit for 3 seconds to cancel the
operation. (3 beep sound but OPERATION lamp does not blink)
11. QUIET OPERATION
To operate at super low fan speed for quiet operation (except in DRY mode)
Press
QUIET : Start and stop the operation.
Note: Under certain conditions, QUIET operation may not provide adequate
cooling or heating due to low sound features.
12. COMFORT SLEEP OPERATION
To save energy while sleeping, automatically control air flow and automatically turn OFF.
Press
COMFORT SLEEP : Select 1, 3, 5 or 9 hrs for OFF timer operation.
Note: The cooling operation, the set temperature will increase automatically
1.8°F (1°C)/hour for 2 hours (maximum 3.6°F (2°C) increase). For heating operation,
the set temperature will decrease.
13. SLEEP TIMER OPERATION
To start the sleep timer (OFF timer) operation
Press
SLEEP : Select 1, 3, 5 or 9 hrs for OFF timer operation.
− 51 −
FILE NO. SVM-13069
9-4-3. Name and Functions of Indications on Remote Controller
[Display]
All indications, except for the clock time indicator, are displayed by pressing the
1
2
3
4
5
Transmission mark
This transmission mark indicates when the
remote controller transmits signals to the indoor
unit.
Mode indicator
Indicates the current operation mode.
: Cool,
(A : Automatic control
: Dry,
: Heat,
: Fan only)
6
Temperature indicator
Indicates the temperature setting.
[62°F to 86°F (17°C to 30°C)]
7
FAN speed indicator
Indicates the selected fan speed.
AUTO or five fan speed levels
(LOW , LOW+
, MED
, MED+
HIGH
) can be shown.
,
8
Indicates AUTO when the operating mode is
: Dry.
either AUTO or
9
10
9
1 12
2 13
button.
TIMER and clock time indicator
The time setting for timer operation or the clock
time is indicated.
The current time is always indicated except
during TIMER operation.
Hi-POWER indicator
Indicates when the Hi-POWER operation starts.
Press the Hi-POWER button to start and press it
again to stop the operation.
(PRESET) indicator
Flashes for 3 seconds when the PRESET button is
pressed during operation.
mark is shown when holding down the
The
button for more than 3 seconds while the mark is
flashing.
Press another button to turn off the mark.
ECO indicator
Indicates when the ECO is in activated.
Press the ECO button to start and press it again
to stop operation.
A, B change indicator remote controller
When the remote controller switching function is
set, “B” appears in the remote controller display.
(When the remote controller setting is “A”, there is
no indication at this position.)
10 Comfort
sleep
Indicates when comfort sleep is activaled.
Press comfort sleep button to select function.
11 Quiet
Indicates when quiet is activated.
Press quiet button to start and press it again to stop
operation.
11
12 One-Touch
Indicates when one touch comfort is activated.
Press one-touch button to start the operation.
POWER-SET
13 Swing
8
3
6
4
Indicates when louver is swing.
Press swing button to start the swing operation
and press it again to stop the swing operation.
5
7
– 52 –
10. INSTALLATION PROCEDURE
FILE NO. SVM-13069-3
2-9/16 in. (65 mm)
or more
10-1. Installation Diagram of Indoor and Outdoor Units
7 in
. (1
7
o r m 0 mm
)
o re
For the rear left and left piping
Hook
1 Installation
H oo
Air
fi
(A
tta
ch
to
the
fro
n
5 Filter
tp
an
7 in
. (1
7
o r m 0 mm
)
o re
k
Front
panel
lter
6 Filter
Do not allow the drain hose to get slack.
Cut the piping
hole slightly sloped
downward.
Make sure to run the drain hose sloped
downward.
8
Flat head
wood screw
3 Batteries
Insert the cushion between the indoor
unit and wall, and tilt the indoor unit for
better operation.
Shield pipe
Conduit
el.
)
Wall
plate
Air inlet grille
4
The auxiliary piping can be connected to
the left, rear left, rear right, right, bottom
right or bottom left.
Remote control holder
Vinyl tape
Apply after carrying
out a drainage test.
Right
2
Wireless remote control
24 in. (600 mm) or more
only when unobstructed to
the front and both sides.
3 -1
5/1
6 in
o r . (1 0 0
mo
re mm)
600
n. (
/8 i more
5
or
23
00
. (1
e
6 in
5/1 r mor
1
o
3
mm
Rear
right
)
Bottom
right
Left
Rear
left
Bottom left
Saddle
Insulate the refrigerant pipes separately,
not together.
Extension drain hose
(Not available,
provided by installer)
)
mm
23-
5/8
i n.
(6
mo 00 m
m)
re
or
Remark :
• Details of accessory and installation parts can
be found in the accessory section.
5/16 in. (8 mm) thick heat
resisting polyethylene foam
Before installing the wireless remote controller
A
• Loading Batteries
1. Remove the battery cover.
2. Insert 2 new batteries (AAA type)
following the (+) and (− ) positions.
C
L
3 Batteries
2 Wireless remote controller
– 53 –
FILE NO. SVM-13069-3
10-2. Installation
10-2-1. Field supplied installation part
Part
Code
Q'ty
Parts name
A
Refrigerant piping
Liquid side : ∅1/4 in. (∅ 6.35 mm)
Gas side : ∅3/8 in. (∅ 9.52 mm)
B
Pipe insulating material
(polyethylene foam, 5/16 in. (8 mm) thick)
C
Putty, PVC tapes
One
each
1
One
each
<Fixing bolt arrangement of outdoor unit>
Air inlet
4 in.
(102 mm)
Ø
(2 1 in
5m .
m)
4-15/16 in.
(125 mm)
3-3/8 in.
(86 mm)
12-19/32 in.
(320 mm)
4-1/4 in.
1-1/8 in. (108 mm)
(28 mm)
Air outlet
23-5/8 in.
(600 mm)
3-17/32 in.
(90 mm)
Fig. 10-2-1
· Secure the outdoor unit with fixing bolts and nuts if the unit is likely to be exposed to a strong winds.
· Use ∅ 5/16 in. (∅ 8 mm) or ∅ 3/8 in. (∅ 10 mm) anchor bolts and nuts.
– 54 –
FILE NO. SVM-13069-3
10-2-2. Accessory and installation parts
Part
No.
Part name (Q’ty)
Part
No.
Part name (Q’ty)
8
5
2
Toshiba New IAQ filter (L) x 1
Wireless remote control x 1
6
3
Toshiba New IAQ filter (L) x 1
Battery x 2
Others
Mounting screw ∅4 x 25 s x 6
Remote control holder x 1
Installation plate x 1
Part name (Q’ty)
7
4
1
Part
No.
Name
Owner’s manual
Installation manual
– 55 –
Flat head wood screw
∅3.1 x 16 s x 2
FILE NO. SVM-13069
10-2-3. Installation/Servicing Tools
Changes in the product and components
In the case of an air conditioner using R410A, in order to prevent any other refrigerant from being charged
accidentally, the service port diameter of the outdoor unit control valve (3 way valve) has been changed.
(1/2 UNF 20 threads per inch)
• In order to increase the pressure resisting strength of the refrigerant piping flare processing diameter and size
of opposite side of flare nuts has been changed. (for copper pipes with nominal dimensions 1/2 and 5/8)
New tools for R410A
New tools for R410A
Applicable to R22 model
Changes
Gauge manifold
×
As pressure is high, it is impossible to measure by means of
conventional gauge. In order to prevent any other refrigerant from
being charged, each port diameter has been changed.
Charge hose
×
In order to increase pressure resisting strength, hose materials
and port size have been changed (to 1/2 UNF 20 threads per inch).
When purchasing a charge hose, be sure to confirm the port size.
Electronic balance
for refrigerant charging
¡
As pressure is high and gasification speed is fast, it is difficult to
read the indicated value by means of charging cylinder, as air
bubbles occur.
Torque wrench
(nominal diam. 1/2, 5/8)
×
The size of opposite sides of flare nuts have been increased.
Incidentally,
a common wrench is used for nominal diameters 1/4 and 3/8.
Flare tool (clutch type)
Gauge for projection
adjustment
By increasing the clamp bar’s receiving hole, strength of spring in
the tool has been improved.
¡
—
—
Used when flare is made by using conventional flare tool.
Vacuum pump adapter
¡
Connected to conventional vacuum pump. It is necessary to use
an adapter to prevent vacuum pump oil from flowing back to the
charge hose. The charge hose connecting part has two ports-one
for conventional refrigerant (7/16 UNF 20 threads per inch) and
one for R410A. If the vacuum pump oil (mineral) mixes with R410A
a sludge may occur and damage the equipment.
Gas leakage detector
×
Exclusive for HFC refrigerant.
• Incidentally, the “refrigerant cylinder” comes with the refrigerant designation (R410A) and protector coating in the
U. S’s ARI specified rose color (ARI color code: PMS 507).
• Also, the “charge port and packing for refrigerant cylinder” require 1/2 UNF 20 threads per inch corresponding to
the charge hose’s port size.
– 56 –
FILE NO. SVM-13069-3
10-3. Outdoor Unit
CAUTION
10-3-1. Installation Location
• A location which provides enough spaces around
the outdoor unit as shown in the diagram above.
• A location which can bear the weight of the outdoor
unit and does not allow an increase in noise level
and vibration.
• A location where the operation noise and discharged
air do not disturb your neighbors.
• A location which is not exposed to a strong winds
• A location free of combustible gases leaks.
• A location which does not block a passage.
• A location where drain water does not cause any
problems.
• Depending on snow level, use a field fabricated ice
or snow stand.
• When the outdoor unit is to be installed in an elevated
position, be sure to secure its feet as described in the
section above.
Fig. 10-3-2
10-3-2. Refrigerant Piping Connection
1. Make sure you have enough pipe to reach indoor unit.
2. Cut the pipe with a pipe cutter.
• Do not use the supplied drain nipple for draining
water. Drain the water from all drain holes directly.
•
Strong
wind
Flaring
Precautions about lnstallation is Regions
with Snowfall and Cold Temperatures
•
1. Install the outdoor unit in a location where there
are no obstructions near its air intake or air outlet.
2. When the outdoor units is installed in a place
that is always exposed to strong winds like on
the coast or on a high story of a building, use
a field fabricated wind baffle. To minimize the
effect of strong winds, specially in windy areas,
install the unit as shown below.
To protect the outdoor unit from snow accumulation,
install a holding frame, and attach a snow protection
hood and plate.
Do not use a double-stacked design.
Snow protection hood
Install the unit at least
19-11/16 in. (500 mm)
above the snow
accumulation line.
Roughness
Warp
Fig. 10-3-3
Tightening connection
Align the centers of the connecting pipes and tighten
the flare nut as far as possible with your fingers.
Then tighten the nut with a two wrenches as show
below.
At least
19-11/16 in. (500 mm)
Anchor
bolts
Obliquity
3. Insert a flare nut into the pipe and flare the pipe.
Snow protection plate
Front
90 °
Snow accumulation line
Holding frame
Half union
Flare nut
Externally
threaded side
Fig. 10-3-1
Use a wrench to secure.
Internally
threaded side
Use a torque wrench to tighten.
Fig. 10-3-4
CAUTION
Do not apply excess torque. Otherwise, the nut
may crack depending on the conditions.
– 57 –
FILE NO. SVM-13069-3
Outer dia. of copper pipe
•
10-3-4. Electrical Work
Tightening torque
Ø1/4 in. (Ø6.35 mm)
10 to 13 lbf.ft (14 to 18 N·m)
Ø3/8 in. (Ø9.52 mm)
24 to 31 lbf.ft (33 to 42 N·m)
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal
injury or death.
The unit cabinet must have an uninterrupted or
unbroken ground to minimize personal injury if an
electrical fault should occur. The ground may
consist of electrical wire or metal conduit when
installed in accordance with existing electrical
codes.
Make sure main power switch is turned OFF before
performing service or maintenance.
Tightening torque for connection of flare pipe
The pressure of R410A is higher than R22.
(Approx. 1.6 times.) Therefore securely tighten the
flare pipes which connect the outdoor unit and the
indoor unit with the specified tightening torque
using a torque wrench.
Flare at
indoor unit side
CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in
equipment damage or improper operation.
Unit failure as a result or of improper line voltage
application or excessive phase imbalance
constitutes abuse and may cause damage to
electrical components. Such operation could void
any applicable warranty.
Flare at
outdoor unit side
Fig. 10-3-5
10-3-3. Wiring Connection
NOTE
All wiring and connections must comply with NEC,
CEC, and local codes.
• Connect all wires to the correct terminal on the
wiring terminal blocks.
• Make sure that all connectors are secure.
• Size connectors per the ratings listed in the
system requirement section.
• System interconnections should be minimum
AWG14.
1. The supply voltage must be the same as the rated
voltage of the air conditioner.
2. Prepare the power source for exclusive use with the
air conditioner.
NOTE : Power supply cord
• Wire type : minimum AWG14
1. MOUNT THE OUTDOOR UNIT POWER
DISCONNECT.
2. RUN POWER WIRING FROM MAIN BOX TO
DISCONNECT PER NEC AND LOCAL CODES.
3. Remove the valve cover and the cord clamp from
the outdoor unit.
4. Fix conduit connector to conduit plate by lock nut
and secure it tightly. Connect the power supply and
connecting cables to the terminal block as shown
in the figure below and secure it tightly with screws.
5. You should not have extra cables.
6. Secure the power cord and the connceting cable
with the cord clamp.
7. Attach the electric parts cover and the valve cover
on the outdoor unit.
8. RUN PIPING AND INTERCONNECTING CABLE
TO THE INDOOR UNIT.
– 58 –
FILE NO. SVM-13069-3
Stripping length of the Power supply cord
and Interconnecting cable
Lock nut
Valve cover
Conduit plate
Terminal block
L1
L2
S
L1
Connector
L2
Interconnecting cable
Power supply cord
Fig. 10-3-8
Fig. 10-3-6
CAUTION
Unit : inch (mm)
L1 L2 S
3/8 (10)
Ground line
•
1-9/16 (40)
3/8 (10)
1-3/16 (30)
3/8 (10)
2-12/16 (70)
3/8 (10)
1-3/16 (30)
•
L 1 L2
•
•
Wrong wiring connection may cause some
electrical parts burn out.
Be sure to comply with LOCAL CODES.
Every wire must be connected firmly.
If incorrect or incomplete wiring is carried out,
it will cause an ignition or smoke.
Ground line
Connecting cable
NOTE : Interconnecting cable
• Wire type : minimum AWG14
Power cord
Fig. 10-3-7
– 59 –
CAUTION
FILE NO. SVM-13069-3
Mounting the mounting plate
Anchor bolt holes
Hook
7 in.
(170 mm)
3-11/32 in.
(85 mm)
Pipe hole
Hook
Indoor unit
CAUTION
• Direct sunlight on the indoor unit's wireless
receiver should be avoided.
• The microprocessor in the indoor unit should
not be too close to RF noise sources.
(For details, see the owner's manual.)
Hook
Thread
Weight
6.6 ft (2 m) or more
from floor
• A location which provides clearances around the
indoor unit as shown in the diagram in the
"CLEARANCES" section.
• A location where there are no obstacles near the
air inlet and outlet.
• A location which allows easy installation of the piping
to the outdoor unit.
• A location which allows the front panel to be opened
• The indoor unit shall be installed such that the top
of the indoor unit comes to at least 6.6 ft (2 m) height.
Also avoid putting anything on the top of the indoor
unit.
• A location that will bear the weight of the unit.
3-17/64 in.
(82.5 mm)
10-4-1. Installation Location
NOTE :
• When drilling a wall that contains a metal lath,
wire lath or metal plate, be sure to use a pipe hole
brim ring sold separately.
2-29/64 in.
(62 mm)
10-4. Indoor Unit
1
Mounting
plate
Pipe hole
7 Mounting screw
Fig. 10-4-2
When the installating plate is directly
mounted to the wall
1. To hook up the indoor unit, securely fit the
mounting plate onto the wall by screwing it in the
upper and lower parts.
2. To mount the mounting plate on a concrete wall
with, anchor bolts, drill the anchor bolt holes as
illustrated in the figure shown below.
3. Make sure the mounting plate is leveled.
10-4-2. Cutting a Hole and Mounting the
mounting Plate
Cutting a hole
When installing the refrigerant pipes from the rear.
CAUTION
When installing the mounting plate with a mounting
screw, do not use the anchor bolt holes.
Otherwise, the unit may fall down and result in
personal injury and property damage.
Pipe
hole
∅2-9/16 in. (65 mm)
The cener of the pipe
hole is above he arrow
Installation plate
(Keep horizontal direction.)
3-15/16 in.
(100 mm)
Anchor bolt
Fig. 10-4-1
After determining the pipe hole position on the
mounting plate ( ð ), drill the pipe hole ∅ 2-9/16 in.
(∅ 65 mm) at a slight downward slant to the outdoor
side.
– 60 –
Projection
9/16 in. (15 mm)
or less
Fig. 10-4-3
FILE NO. SVM-13069-3
3/16 in. (5 mm) dia. hole
CAUTION
• Be sure to refer to the system wiring diagram
located inside the front panel.
• Check local electrical codes and also any
specific wiring instructions or limitations.
7 Mounting screw
Ø5/32 in. x 1 in.
(∅ 4 mm x 25 mm)
Clip anchor
(field supplied parts)
Air inlet grille
Fig. 10-4-4
Front panel
CAUTION
1
2
Failure to firmly install the unit may result in
personal injury and property damage if the
unit falls.
3
Fig. 10-4-5
• In case the unit is to be installed in a block, brick, concrete or
similar type walls, make 3/16 in. (5 mm) dia. holes in the wall.
• Insert clip anchors for appropriate mounting screws p.
NOTE :
• Secure four corners and lower parts of the mounting
plate with 4 to 6 mounting screws to install it.
4-5/16 in. (110 mm)
13/16 in. (20 mm)
Ground
line
S
L2
L1
3/8 in. (10 mm)
3-5/32 in. (80 mm)
Fig. 10-4-6
10-4-2. Wiring Connection
How to connect the connecting cable
1. Open the air inlet grille upward.
2. Remove the screws securing the front panel.
3. Slightly open the lower part of the front panel,
then pull the upper part of the front panel toward
you to remove it from the rear plate.
4. Insert the conduit pipe (according to the local codes)
into the pipe hole on the wall.
5. Remove the conduit mount by loosening the fixing
screw. (Fig. 10-4-7)
6. Fix conduit pipe to conduit mount with the lock nut.
7. Pull out the connecting wire through the conduit pipe
and process the wire. (Fig. 10-4-6)
8. Take out the wire to the front and fix it to the terminal
block. Be careful not to mis-wire (Fig. 10-4-8)
9. Firmly tighten the terminal screws to prevent them
Lock nut
Fixing screw
Interconnecting
cable
Conduit pipe
Conduit mount
Fig. 10-4-7
Cord clamp
Terminal cover
Screw
L1 L2
S
Terminal block
L1 L 2
S
Ground line
from loosening. Tightening torque: 0.9 lbf. ft (1.2 N·m).
Screw
Connecting cable
After tightening, pull the wires lightly to confirm that
Screw
Front panel
they of not move.
10. Secure the connecting wire with the cord clamp.
Fig. 10-4-8
11. Fix the conduit mount back to the body by fixing a screw.
12. Fix the front panel, terminal cover and air inlet grille
NOTE :
to the indoor unit.
• Use stranded wire only.
• Wire type : minimum AWG14
– 61 –
FILE NO. SVM-13069-3
10-4-3. How to connect remote controller for wire operation> (Optional)
70 mm
* Wire size 28-22AWG
or 0.08-0.32 mm2
Outer diameter not over 4.7 mm,
control wire length 30 m. or less.
Indoor unit
Control wire
4
5 mm
Notch to route the
remote wire through
5
6
Remote controller
Fig. 10-4-9
Tighten firmly
Terminal
but not over
Control wire
0.12 N·m (0.01 kgf·m)
<For indoor unit>
1. Open the air inlet grille upward.
2. Remove the screws securing the front panel.
3. Slightly open the lower part of the front panel then
pull the upper part of the front toward you to remove
it from the rear plate as shown in figure 1 .
4. After removing the front panel, remove the control board
assembly and open the cover as shown in figures 2 and 3 .
5. Arrange the control wire as specified and shown in
figure 4 .
6. Securely connect the control wire to the terminal of the
control board as shown in figure 5 (tighten firmly but not
over : 0.12 N·m (0.01 kgf·m).
7. Route the wire along the bottom of the control board
and through the opening of the casing.
Reassemble the control board assembly.
8. Route the wire along with the power supply and
connecting cable as shown on figure 6 .
9. Reassemble the indoor unit by reversing processes
1 to 3.
Air inlet grille
1
Front panel
1
2
Control wire
Fig. 10-4-11
<For remote controller>
1. Remove cover of remote controller by sliding down
and taking it out.
2. If batteries are installed, please take them out.
Do not install batteries for hard-wire installation.
3. With the help of a screwdriver hreak the polyester
sheet as shown on figure 7 .
4. Insert control wire from rear side of the remote controller
as shown in figure 8 .
5. With the provided screws, tighten the control wire to the
aremote control terminal as shown in figure 10 (tightening
btorque not to exceed 0.25 N-m (0.03 kgtk-m)) Wire
specifications are shown in figure 9 .
6. Route the control wire through the gutter way at the rear
side of remote controller as shown on figure 11 .
7. Fix provided screw (∅1 3.1 x 16L) to the wall to hang
remote controller as shown in figure 12 .
8. Mark and arrange a hole to fix the battery cover screw
(∅ 3.1 x 25L) as shown in figure 12 .
9. Fix the battery cover to the remote controller and wall
with the provided screw (∅ 3.1 x 25L) as shown in
figure 13 .
(tighten firmly but not over 0.15 N.m (0.02 kgf.m)).
10. Put back the remote controller cover.
3
7
Fig. 10-4-10
WARNING :
EXPLOSION HAZARD
Do not install batteries for hard wire installation
8
Polyester sheet
Control wire
2
3
30 mm
9
!
WARNING :
EXPLOSION HAZARD
Do not install batteries for hard wire installation
10 mm
Control board assembly
Control board
* Wire size 28-22 AWG (0.08~0.32 mm2)
Outer diameter not over 4.7 mm,
control wire length 30 m. or less.
Fig. 10-4-12
– 62 –
Control wire
Terminal
Tighten firmly but not over
0.25 N·m (0.03 kgf·m)
FILE NO. SVM-13069-3
INSULATE BOTH LINES
Rear right
Do not install batteries for hard wire installation
Changing
drain hose
Rear left
Control wire
Screw (∅3.1 x 16L) for
hang remote controller
Remote controller
hanger
Die-cutting
Front panel slit
Bottom left
Control wire
Left
Bottom right
Remote controller
Wall
Right
Piping preparation
WARNING : EXPLOSION HAZARD
Remote controller
Right
Screw (∅3.1 x 25L) for
to battery cover
"
#
Screw
Tighten fi rmly but
not over 0.15 N·m
(0.02 kgf·m)
Rear right
WARNING :
Bottom
right
Battery cover
Rear
left
Left
Bottom left
1. Die-cutting front panel slit
With a pair, of nippers, cut out the slit on the leftward or
right side of the front panel for the left or right connection,
and the slit on the bottom left or right side of the front panel
for the bottom left ot right connection.
EXPLOSION HAZARD
Do not install batteries for hard wire installation
2. Changing drain hose
For leftward connection, bottom-leftward connection
and rearleftward connection’s piping, it is necessary to
change the drain hose and drain cap.
$
Fig. 10-4-13
*Remark :
1. It is recommended to use double insulation lead wire
to connect remote control to the air conditioner.
2. For hard-wire operation, 1 remote control can control
only 1 indoor unit.
3. In wire operation, (PRESET, TIMER and CLOCK will
return to their initial condition when the user shuts
down the power supply to the air conditioner.
How to remove the drain cap
Clip the drain cap with needle-nose pliers and pull out.
Fig. 10-4-15
<How to install the air inlet grille on the indoor unit>
• When attaching the air inlet grille, perform the same
process as for removal but in reverse order.
Fig. 10-4-14
How to remove the drain hose
•
The drain hose can be removed by removing the
screw securing the drain hose and then pulling out
the drain hose.
• When removing the drain hose, be careful of any
sharp edges the steel plate may have. Sharp edges
can cause injuries.
• To install the drain hose, insert the drain hose firmly
until the connection part contacts the heat insulator,
and the secure it with the original screws.
10-4-4. Piping and drain hose installation
Heat insulator
<Piping and drain hose forming>
Fig. 10-4-16
Drain hose
– 63 –
CA
FILE NO. SVM-13069-3
<Left-hand connection with piping>
How to fix the drain cap
1) Insert a hexagon wrench 3/16 in. (4 mm)
in the center head of the cap.
Bend the connecting pipe so that it is laid within 1-5/8 in.
(43 mm) above the wall surface. If the connecting pipe is
laid exceeding 1-5/8 in (43 mm) above the wall surface,
the indoor unit may set on the wall unstably.
When bending the connecting pipe, make sure to use a
spring bender to avoid crushing the pipe.
3/16 in.
(4 mm)
Bend the connecting pipe within a radius of 1-3/16 im.
(30 mm.)
To connect he pipe after the unit has been installed (figure)
Fig. 10-4-17
(To the forefront of flare)
10-5/8 in.
(270 mm)
2) Firmly insert the drain cap.
Gas side
9-1/16 in.
(230 mm)
Liquid side
No gap
Do not apply lubricating oil
(refrigerant machine oil) when
inserting the drain cap.
Application causes deterioration
and drain leakage from the plug.
1-5/8 in.
(43 mm)
Outward form of indoor unit
Insert a hexagon
wrench 3/16 in (4 mm)
R 1-3/16 in. (R 30 mm) (Use polisin
(polyethylene) core or the like for
bending pipe.)
80
Fig. 10-4-18
Use the handle of screwdriver, etc.
Fig. 10-4-21
CAUTION
Firmly insert the drain hose and drain cap; otherwise,
water may leak.
<In case of right or left piping>
• After making slits of the front panel with a knife or a
making-off pin, cut them with a pair of nippers or an
equivalent tool.
NOTE
If the pipe is bent incorrectly, the indoor unit may
set on the wall unstably.
After passing the connecting pipe through the pipe
hole, connect the connecting pipes to the refrigerant
line and wrap facing tape around them.
CAUTION
• Bind the refrigerant lines (two) and connecting
cable with facing tape tightly. In case of leftward
piping and rear-leftward piping, bind the
refrigerant lines (two) only with facing tape.
Indoor unit
Slit
Refrigerant lines
Fig. 10-4-19
<In case of bottom right or bottom left piping>
Connecting cable
Installation plate
• After making slits of the front panel with a knife or a
making-off pin, cut them with a pair of nippers or an
equivalent tool.
Slit
Fig. 10-4-20
– 64 –
• Carefully arrange pipes such that none of them
stick out the rear plate of the indoor unit.
• Carefully connect the refrigerant lines and
connecting pipes to one another and cut off the
insulating tape wound on the connecting pipe to
avoid double-taping at the joint, moreover, seal
the joint with the vinyl tape, etc.
• Check for gas leaks before insulating.
FILE NO. SVM-13069-3
10-4-5. Indoor Unit Fixing
1. Pass the pipe through the hole in the wall and
hook the indoor unit on the upper hook of the
installation plate.
2. Swing the indoor unit to right and left to confirm
that it is firmly hooked up on the mounting plate.
3. While pressing the indoor unit onto the wall,
hook in at the lower section of the mounting plate.
Pull the indoor unit toward you to confirm that it is
firmly hooked up on the mounting plate.
2. Put water in the drain pan and make sure that the
water is drained out.
3. When connecting an extension drain hose,
insulate it with shield pipe.
Shield pipe
CAUTION
Drain hose Inside the room
Extension drain hose
Hook here
1
1 Installation
plate
2
Fig. 10-4-25
Press (unhook)
Hook
CAUTION
Fig. 10-4-22
Arrange the drain pipe for proper drainage from
the unit.
Improper drainage can result in dew-dropping.
• To detach the indoor unit from the mounting plate,
pull the indoor unit toward you while pushing its
bottom up as shown in the figure.
This air conditioner has the structure designed
to drain water collected from dew, which forms
on the back of the indoor unit, to the drain pan.
Therefore, do not store the power cord and other
parts at a height above the drain guide.
Push
Push
Fig. 10-3-23
Wall
Drain
guide
10-4-6. Drainage
1. Run the drain hose slopping downward.
Space for
pipes
NOTE :
• The hole should be made at a slight downward
slant on the outdoor side.
• The drain is internally trapped
An external trap is not required
Do not rise the drain hose.
Fig. 10-4-26
Do not form the drain hose
into the waved shape.
2 in.
(50 mm)
or more
Do not put the
drain hose end
into water.
Do not put the drain
hose end in the
drainage ditch.
Fig. 10-4-24
– 65 –
FILE NO. SVM-13069-3
Remote control
Remote control A-B selection
• Place the remote control away from obstacles (such
as curtain) that may block the signal coming form the
remote control.
Do not install the remote control in a place exposed
to direct sunlight or close to a heating source such
as a stove.
Keep the remote control at least 3.3 ft (1 m) apart
from the nearest TV set or stereo equipment.
(This is necessary to prevent image disturbances or
noise interference.)
The location of the remote control should be
determined as shown below.
(Side view)
(Top view)
Indoor unit
Indoor unit
Reception
range
Remote
control
In case of two systems operating nearby, follow the
instructions below to set the remote control to operate
with one indoor unit at a time.
Remote control B Setup.
1. Press RESET button on the indoor unit to turn the
air conditioner ON.
2. Point the remote control at the indoor unit.
3. Push and hold CHK• button on the Remote Control
with the tip of a pencil. "00" will be shown on the
display.
4. Press
while pushing CHK• "B" will show on
the display and "00" will disappear and the air
conditioner will turn OFF B is now memorized.
MODE
Note :
Reception
range
Remote control
1. Repeat above step to reset Remote Control back
to A.
2. Remote Control does not display "A".
3. Detault setting of Remote Controller from factory is A.
Fig. 10-4-27
“B” Display
“00” Display
Fig. 10-4-28
– 66 –
FILE NO. SVM-13069-3
10-5. EVACUATING
CAUTION
10-5-1. Evacuating
After the piping has been connected to the indoor unit,
you vacuum both units as once.
•
(1) Take away dust and moisture (inside of the
connecting pipes).
(2) Tighten the connections (between pipes and
unit).
(3) Evacuate the air in the connecting pipes using
a VACUUM PUMP.
(4) Check gas leak (connected points).
(5) Be sure to fully open the packed valves before
operation.
• UNIT DAMAGE HAZARD
Failure to follow this caution may result in .
equipment damage or improper operation.
Never use the system compressor as a vacuum
pump.
Vacuuming
Evacuate the air in the connecting pipes and in the
indoor unit using a vacuum pump. Do not re-use the
refrigerant in the outdoor unit. For details, see the
vacuum pump manual.
Using a vacuum pump
Be sure to use a vacuum pump with counter-flow
prevention function so that inside oil of the pump does
not flow backward into pipes of the air conditioner
when the pump stops.
(If oil inside of the vacuum pump enters the air
conditioner, which uses R410A, refrigeration cycle
trouble may happen.)
1. Connect the charge hose from the manifold valve
to the service port of the packed valve at gas side.
2. Connect the charge hose to the port of the vacuum
pump.
3. Open fully the low pressure side handle of the
manifold valve gauge.
4. Operate the vacuum pump to start evacuating.
Perform evacuaion for about 15 minutes if the
piping length is 66 feet (20 m).
(assuming a pump capacity of 27 liters per minute)
Then confirm that the compound pressure gauge
reading is -101 kPa (-76 cmHg).
5. Close the low pressure side valve handle of the
manifold valve gauge.
6. Open fully the valve stem of the packed valves
(both gas and liquid sides).
7. Remove the charging hose from the service port.
8. Securely tighten the caps of packed valves.
Compound pressure gauge
–101 kPa
(–76 cmHg)
5 IMPORTANT POINTS FOR PIPING WORK.
10-5-2. Packed valve handling precautions
•
•
Open the valve stem all the way out, but do not
try to open it beyond the stopper.
Pipe size of Packed Valve
Size of Hexagon wrench
1/2 in. (12.7 mm and smallers)
A = 3/16 in. (4 mm)
Securely tighten the valve cap with torque in the
following table:
Cap
Cap Size (H)
Torque
43/64 in. - 3/4 in.
(H17 - H19)
10 to 13 Ibf.ft
(14~18 N·m)
55/64 in. - 1-3/16 in.
(H22 - H30)
24 to 31 Ibf.ft
(33~42 N·m)
35/64 in.
(H14)
37 to 46 Ibf.ft
(50~62 N·m)
43/64 in.
(H17)
10 to 13 Ibf.ft
(14~18 N·m)
Valve Rod Cap
Service Port Cap
Pressure gauge
Manifold valve
Connecting pipe
Hexagon wrench
is required.
Handle Hi
(Keep full closed)
Handle Lo
Charge hose
(For R410A only)
Charge hose
(For R410A only)
A
Vacuum pump adapter for
counter-flow prevention
(For R410A only)
Vacuum
pump
H
Service Port Cap
Valve Rod Cap
Packed valve at
liquid side
Fig. 10-5-2
Service port (Valve core
(Setting pin))
Packed valve at gas side
Fig. 10-5-1
– 67 –
FILE NO. SVM-13069-3
Refrigerant charge
10-6. SYSTEM REQUIREMENTS
Unit : ft (m)
10-6-1. Piping (Field supplied)
•
•
Minimum refrigerant line length between the outdoor
unit and indoor unit is
6.6ft. (2m).
Maximum pipe lengths
Allowable Pipe length T
(ft (m))
66 (20)
Refrigerant charge
Length of refrigerant Pipe
connected to Indoor/
outdoor unit
6.6-50
(2-15m)
Height difference
(Indoor − Outdoor H)
(ft (m))
33 (10)
T
Additional refrigerant
None
Add 0.22oz/ft (20g/m) of
Refrigerant for piping that exceeds
50ft (15m) up to 66ft (20m)
50-66
(15-20m)
* Caution during addition of refrigerant Max. amount of
additional refrigerant is 0.22 lbs (100g).
Charge the refrigerant accurately. Overcharging may
cause serious trouble to the compressor.
* Minimum refrigerant pipe is 6.6ft (2m).
Using pipe shorter than that may cause a malfunction of
the compressor or other components.
H
10-6-2. Power supply Connection and Connecting
Cable
•
•
Fig. 10-6-1
Refrigerant pipe sizes
Liquid side
Outer
•
Gas side
Thickness
Outer diameter
Thickness
In. (mm)
In. (mm)
In. (mm)
In. (mm)
Ø1/4 (6.35)
0.03 (0.8)
Ø3/8 (9.52)
0.03 (0.8)
•
Diameter
Insulation
Both lines need to be insulated. Use a minimum
5/16 in (8mm) wall thickness.
The power supply shall be connected to the outdoor unit
by 3 wires.
The connecting cable between the indoor unit and outdoor
unit is 4 wires.
This cable provides the power for the indoor unit and the
communication signal between the outdoor unit and indoor
unit.
Consult local building codes, NEC (National Electrical Code)
or CEC (Canadian Electrical Code) for special requirements.
The following are the electrical requirements.
Product
Model
Item
FCU
RAS-09EKV-UL
RAS-12EKV-UL
CDU
RAS-09EAV-UL RAS-12EAV-UL
RAS-09EAV2-UL RAS-12EAV2-UL
MCA
10
13
MOCP (MAX Fuse/CB)
15
20
15A
Breaker
Connect to
FCU/CDU
Power supply cord
(Not provide)
No. of Core
Size
Interconnecting
cable between
FCU & CDU
(Not provide)
No. of Core
Size
MCA = Minimum Circuit Amps
MOCP = Maximum Over Protection Device Amps
– 68 –
CDU
3 (L1, L2,
)
AWG14
4 (L1, L2, S, )
AWG14
FILE NO. SVM-13069-3
10-7. OTHERS
10-7-3. Auto Restart Setting
10-7-1. Gas Leak Test
This product is designed so that after a power failure
it can restart automatically in the same operating mode
as before the power failure.
Valve cover
Information
Check places for
flare nut connection
(indoor unit)
The product was shipped with Auto Restart function
in the ON position. Turn it OFF if this function is not
required.
Check the flare nut
connections for the
gas leak with a gas
leak detector or
soap water.
10-7-4. How to cancel the Auto Restart
1. Press and hold the RESET button on the indoor unit
for 3 seconds to cancel the operation. (3 beeps will
sound but OPERATION lamp does not blink)
2. Press and hold the RESET button on the indoor unit
for 3 seconds to set the operation. (3 beeps will sound
and OPERATION lamp blink 5 time/sec for 5 seconds)
· Do not operate ON timer and OFF timer.
Check places for
the outdoor unit.
Fig. 10-7-1
10-7-2. Test Operation
To switch the TEST RUN (COOL) mode, press RESET
button for 10 seconds. (The beeper will make a short
beep.)
Note : Default setting of auto restart operation is OK
10-7-5. Troubleshooting (Check Point)
The unit does not operate.
Cooling or Heating is abnormally low.
• The power main switch is
• The filters are blocked with dust.
turned off.
• The temperature has been set
• The circuit breaker is tripped.
improperly.
• ON timer is set.
• Windows or doors are open.
• The air inlet or outlet of the outdoor
unit is blocked.
• The fan speed is too low.
• The operation mode is FAN or DRY.
RESET
RESET button
Fig. 10-7-2
– 69 –
11. HOW TO DIAGNOSE THE TROUBLE
FILE NO. SVM-13069
The pulse motor circuits are mounted to both indoor and outdoor units. Therefore, diagnose troubles according
to the trouble diagnosis procedure as described below. (Refer to the check points in servicing written on the
wiring diagrams attached to the indoor/outdoor units.)
Table 11-1
No.
Troubleshooting Procedure
Page
No.
Troubleshooting Procedure
Page
1
First Confirmation
62
6
How to Check Simply the Main Parts
72
2
Primary Judgment
63
7
Troubleshooting
73
3
Judgment by Flashing LED of Indoor Unit
63
8
How to Diagnose Trouble in Outdoor Unit
75
4
Self-Diagnosis by Remote Controller
64
9
How to Check Simply the Main Parts
76
5
Judgment of Trouble by Every Symptom
67
10
How to Simply Judge Whether Outdoor
Fan Motor is Good or Bad
81
K Precautions when handling the new inverter (3DV Inverter)
CAUTION: HIGH VOLTAGEN
The high voltage circuit is incorporated.
Be careful to do the check service, as the electric shock may be caused in case of touching parts on the
P.C. board by hand.
The new inverter (3DV inverter) will be incorporated starting with this unit.
(3DV: 3-shunt Discrete Vector control)
K The control circuitry has an uninsulated construction.
IGBT × 6
Compressor
Fan motor
Shared potential
Driver
MCU
Amplifier
Driver
Amplifier
Fig. 11-1
– 70 –
FET × 6
FILE NO. SVM-13069
CAUTION
A high voltage (equivalent to the supply voltage) is also energized to ground through the
sensors, PMV and other low-voltage circuits. The sensor leads and other wires are covered
with insulated tubes for protection. Nevertheless, care must be taken to ensure that these
wires are not pinched.
Take sufficient care to avoid directly touching any of the circuit parts without first turning off
the power.
At times such as when the circuit board is to be replaced, place the circuit board assembly in
a vertical position.
Laying the board flat on an electrically conductive object (such as the top panel of the air conditioner's
outdoor unit) while a charge is still retained by the electrolytic capacitors of the inverter's main circuit may
cause short-circuiting between the electrolytic capacitors and secondary circuit components and result in
damage to the components.
Sensor leads
Fig. 11-2
Do NOT lay the circuit board assembly flat.
K Precautions when inspecting the control section of the outdoor unit
NOTE :
A large-capacity electrolytic capacitor is used in the outdoor unit controller (inverter). Therefore, if the power
supply is turned off, charge (charging voltage DC265 to 360V) remains and discharging takes a lot of time.
After turning off the power source, if touching the charging section before discharging, an electrical shock may
be caused. Discharge the electrolytic capacitor completely by using soldering iron, etc.
< Discharging method >
1. Remove the inverter cover (plating) by opening four mounting claws.
2. As shown below, connect the discharge resistance (approx. 100Ω40W) or plug of the soldering iron to
voltage between + – terminals of the C14 (“CAUTION HIGH VOLTAGE” is indicated.) electrolytic capacitor
(500µF/400V) on P.C. board, and then perform discharging.
Discharging position
(Discharging period
10 seconds or more)
Plug of
soldering iron
Inverter cover
Fig. 11-3
– 71 –
P. C. board
(Soldered surface)
FILE NO. SVM-13069
11-1. First Confirmation
11-1-1. Confirmation of Power Supply
Confirm that the power breaker operates (ON) normally.
11-1-2. Confirmation of Power Voltage
Confirm that power voltage is AC 208−230 ± 10%.
If power voltage is not in this range, the unit may not operate normally.
11-1-3. Operation Which is not a Trouble (Program Operation)
For controlling the air conditioner, the program operations are built in the microcomputer as described in the
following table.
If a claim is made for running operation, check whether or not it meets to the contents in the following table.
When it does, we inform you that it is not trouble of equipment, but it is indispensable for controlling and maintaining of air conditioner.
Table 11-1-1
No.
Operation of air conditioner
Description
1
When power breaker is turned “ON”, the
operation indicator (Green) of the indoor
unit flashes.
The OPERATION lamp of the indoor unit flashes when
power source is turned on. If [ ] button is
operated once, flashing stops.
(Flashes also in power failure)
2
Compressor may not operate even if the
room temperature is within range of
compressor-ON.
The compressor does not operate while compressor
restart delay timer (3-minutes timer) operates.
The same phenomenon is found after power source has
been turned on because 3-minutes timer operates.
3
In Dry and ECO mode, FAN (air flow)
display does not change even though FAN
(air flow select) button is operated.
The air flow indication is fixed to [AUTO].
4
Increasing of compressor motor speed
stops approx. 30 seconds after operation
started, and then compressor motor speed
increases again approx. 30 seconds after.
For smooth operation of the compressor, the compressor motor speed is restricted to Max. 41 rps for 2 minutes, and Max.91 rps for 2 minutes to 3 minutes, respectively after the operation has started.
5
In AUTO mode, the operation mode is
changed.
After selecting Cool or Heat mode, select an operation
mode again if the compressor keeps stop status for 15
minutes.
6
In HEAT mode, the compressor motor
speed does not increase up to the maximum speed or decreases before the
temperature arrives at the set temperature.
The compressor motor speed may decrease by hightemp. release control (Release protective operation by
temp.-up of the indoor heat exchanger) or current
release control.
– 72 –
FILE NO. SVM-13069
11-2. Primary Judgment
To diagnose the troubles, use the following methods.
1) Judgment by flashing LED of indoor unit
2) Self-diagnosis by service check remote controller
3) Judgment of trouble by every symptom
Firstly use the method 1) for diagnosis. Then, use the method 2) or 3) to diagnose the details of troubles.
11-3. Judgment by Flashing LED of Indoor Unit
While the indoor unit monitors the operation status of the air conditioner, if the protective circuit operates, the
contents of self-diagnosis are displayed with block on the indoor unit indication section.
Table 11-3-1
Item
Indoor indication
lamp flashes.
Which lamp
does flash?
Check
code
Block display
Description for self-diagnosis
• When turn ON power supply.
• Power supply ON after failure or OFF.
• This flashing display is not air conditioner failure.
A
OPERATION (Green)
Flashing display (1 Hz)
B
OPERATION (Green)
Flashing display (5 Hz)
Protective circuit operation for indoor P.C. board
C
OPERATION (Green)
TIMER (Yellow)
Flashing display (5 Hz)
Protective circuit operation for connecting cable
and serial signal system
D
OPERATION (Green)
FILTER (Orange)
Flashing display (5 Hz)
Protective circuit operation for outdoor P.C. board
E
OPERATION (Green)
TIMER (Yellow)
FILTER (Orange)
Flashing display (5 Hz)
Protective circuit operation for others
(including compressor)
NOTES :
1. Some check code will flash display of the indoor unit, when the air conditioner operates with some limitation.
2. Some check code will flash display of the indoor unit and stop operation of the air conditioner.
3. When item B and C or item B and apart of item E occur concurrently, priority is given to the block of item B.
4. The check codes can be confirmed on the remote controller for servicing.
– 73 –
FILE NO. SVM-13069
11-4. Self-Diagnosis by Remote Controller (Check Code)
1. If the lamps are indicated as shown B to E in Table 11-3-1, execute the self-diagnosis by the remote controller.
2. When the remote controller is set to the service mode, the indoor controller diagnoses the operation condition and indicates the information of the self-diagnosis on the display of the remote controller with the check
codes. If a fault is detected, all lamps on the indoor unit will flash at 5Hz and it will beep for 10 seconds
(Beep, Beep, Beep ... ). The timer lamp usually flashes (5Hz) during self-diagnosis.
11-4-1. How to Use Remote Controller in Service Mode
1
Press [CHECK] button with a tip of pencil to set the
remote controller to the service mode.
• “
” is indicated on the display of the remote
controller.
2
TOSHIBA
PR ESET
Press [ON ] or [OFF ] button
If there is no fault with a code, the indoor unit will beep
once (Beep) and the display of the remote controller will
change as follows :
•••
FAN
T E MP
ONE -T OUC H
TEMP
• Check the unit with all 52 check codes (
as shown in Table-11-4-1.
C OMF OR T
SLEEP
QUIE T
S WING
• The TIMER indicator of the indoor unit flashes continuously.
(5 times per 1 sec.)
MODE
F IX
Hi-P OWE R
T IME R
OF F
SLEEP
SET
F IL T E R
)
] button to change the check
If there is a fault, the indoor unit will beep for 10
seconds (Beep, Beep, Beep...).
CLR
ON
°C/° F C HK
• Press [ON ] or [OFF
code backward.
ECO
to
Note the check code on the display of the remote
controller.
C L OC K
• 2-digits alphanumeric will be indicated on the display.
• All indicators on the indoor unit will flash.
(5 times per 1 sec.)
3
Alphanumeric characters are
used for the check codes.
is 5.
is 6.
is A.
is B.
is C.
is D.
4
Press [CLR] button. After service finish for clear
service code in memory.
• "7F" is indicated on the display of the remote
control.
Press [ ] button to release the service mode.
• The display of the remote controller returns to as it
was before service mode was engaged.
Fig. 11-4-1
– 74 –
FILE NO. SVM-13069-4
11-4-2 Caution at Servicing
1. After using the service mode of remote controller finished, press the [
] button to reset the remote controller to
normal function.
2. After finished the diagnosis by the remote controller, turn OFF power supply and turn its ON again to reset the air
conditioner to normal operation. However, the check codes are not deleted from memory of the microcomputer.
3. After servicing finished, press [CLR] button of remote controller under service mode status to send code "7F" to the
indoor unit. The check code stored in memory is cleared.
Table 11-4-1
Block distinction
Check
code
Block
Operation of diagnosis function
Check
code
Cause of operation
Air
conditioner
status
Display flashing
error
Action and Judgment
Indoor P.C.
TA sensor ; The room
Operation
Flashes when
board.
temperature sensor is
continues.
error is detected. 2. In case of the sensor and its
short-Circuit or disconnection.
1. Check the sensor TA and connection.
connection is normal, check the
P.C. board.
TC sensor ; The heat
Operation
Flashes when
1. Check the sensor TC and connection.
exchanger temperature
continues.
error is detected. 2. In case of the sensor and its
sensor of the indoor unit
connection is normal, check the
is out of place, disconnection,
P.C. board.
short-circuit or migration.
Fan motor of the indoor unit
All OFF
is failure, lock-rotor, short-
Flashes when
1. Check the fan motor and connection.
error is detected. 2. In case of the motor and its
circuit, disconnection, etc.
connection is normal, check the
Or its circuit on P.C. board
P.C. board.
has problem.
Other trouble on the indoor
P.C. board.
Depend on
Depend on
cause of
cause of
failure.
failure.
– 75 –
Replace P.C. board.
FILE NO. SVM-13069-4
Block distinction
Check
code
Operation of diagnosis function
Check
code
Block
Serial signal
Air
conditioner
status
Cause of operation
1) Defective wiring of the
Action and Judgment
Display flashing
error
Indoor unit
Flashes when
and connecting
connecting cable or
operates
error is detected.
operate.
cable.
miss-wiring.
continue.
Flashing stop
Check connecting cable and correct
Outdoor unit
and outdoor unit
if defective wiring.
stop.
start to operate
Check 25A fuse of inverter P.C. board.
when the return
Check 3.15A fuse of inverter
signal from the
P.C. board.
2) Operation signal has not
send from the indoor unit
when operation start.
3) Outdoor unit has not
1) to 3) The outdoor unit never
send return signal to the
outdoor unit is
Check operation signal of the indoor
indoor unit when operation
normal.
unit by using diode. Measure voltage
started.
at terminal block of the indoor unit
4) Return signal from the
between No.2 and No.3 (or L2 and S)
outdoor unit is stop during
If signal is varied 15-60V continuously,
operation.
replace inverter P.C. board.
Some protector
If signal is not varied, replace indoor
(hardware, if exist) of the
P.C. board.
outdoor unit open
4) The outdoor unit abnormal stop at
circuit of signal.
some time.
Signal circuit of indoor
If the other check codes are found
P.C. board or outdoor
concurrently, check them together.
P.C. board is failure
Check protector (hardware) such
in some period.
as Hi-Pressure switch,
Thermal-Relay, etc.
Check refrigerant amount or any
possibility case which may caused
Note : Operation signal of the indoor unit shall be measured in the sending period as
high temperature or high pressure.
picture below.
Check operation signal of the indoor
Measured signal voltage by apply diode
VDC
unit by using diode. Measure voltage
Sending signal of the indoor unit when have not return
signal from the outdoor unit.
at terminal block of the indoor unit
***
between No.2 and No.3 (or L2 and S)
If signal is varied 15-60V continuously,
60
replace inverter P.C. board.
If signal is not varied, replace indoor
P.C. board.
3 minutes Delay, start
counting from power
supply ON or remote
OFF.
3 minutes stop
*
**
Voltage variation stop
or have not voltage
output.
15
0
3
4
7
8
Time (Min)
* Signal send only 1 minute and stop. Because of return signal from outdoor unit has not received.
** Signal resend again after 3 minutes stop. And the signal will send continuously.
** * 1 minute after resending, the indoor unit display flashes error.
– 76 –
FILE NO. SVM-13069-4
Block distinction
Check
code
Block
Operation of diagnosis function
Check
code
Cause of operation
Outdoor P.C.
Current on inverter circuit
board
is over limit in short time.
Air
conditioner
status
All OFF
Flashes after
error is detected
Inverter P.C. board is
Action and Judgment
Display flashing
error
4 times*.
failure, IGBT shortage, etc.
1. Remove connecting lead wire of the
compressor, and operate again.
2. If outdoor fan does not operate or
operate but stop after some period,
Compressor current is
replace the inverter P.C. board.
higher than limitation,
3. If outdoor fan operates normally,
lock rotor, etc.
measure 3-Phase output of inverter
P.C. board (150-270VAC) at the
connecting lead wire of compressor.
4. If 3-Phase output is abnormal, replace
inverter P.C.Board.
5. If 3-Phase output is normal, replace
compressor. (lock rotor, etc.)
Compressor position-detect
All OFF
Flashes after
circuit error or short-circuit
error is detected
between winding of
4 times*.
compressor.
1. Remove connecting lead wire of the
compressor, and operate again.
2. If outdoor fan does not operate or
operation but stop after some period,
replace the inverter P.C. board.
3. If outdoor fan operates normally,
measure resistance of compressor
winding. If circuit is shortage, replace
the compressor.
Current-detect circuit of
All OFF
inverter P.C. board error.
TE sensor ; The heat
All OFF
Flashes after
Even if trying to operate again, all
error is detected
operations stop, replace inverter
4 times*.
P.C. board.
Flashes after
1. Check sensors TE, TS and connection.
exchanger temperature
error is detected
2. In case of the sensors and its
sensor of the outdoor unit
4 times*.
either TS sensor ; Suction
connection is normal, check the
inverter P.C. board.
pipe temperature sensor,
out of place, disconnection
or shortage.
TD sensor ; Discharge pipe
All OFF
Flashes after
1. Check sensors TD and connection.
temperature sensor is
error is detected
2. In case of the sensor and its
disconnection or shortage.
4 times*.
connection is normal, check the
inverter P.C. board.
Outdoor fan failure or its
All OFF
Flashes after
drive-circuit on the inverter
error is detected
P.C. board failure.
4 times*.
1. Check the motor, measure winding
resistance, shortage or lock rotor.
2. Check the inverter P.C. board.
TO sensor ; The outdoor
Operation
Record error
1. Check sensors TO and connection.
temperature sensor is
continues.
after detected
2. In case of the sensor and its
disconnection or shortage.
4 times*.
connection is normal, check the
But does not
inverter P.C. board.
flash display.
– 77 –
FILE NO. SVM-13069-4
Block distinction
Check
code
Block
Operation of diagnosis function
Check
code
Air
conditioner
status
Cause of operation
Compressor drive output error.
All OFF
Action and Judgment
Display flashing
error
Flashes after
1. Check installation conditions such as
(Relation of voltage, current
error is detected
packed valve opening, refrigerant
and frequency is abnormal)
4 times*.
amount and power supply (rate +10%,
Overloading operation of
both of operation and non operation
compressor caused by
condition).
over-charge refrigerant,
2. Check P.M.V. by measure the
P.M.V. failure, etc.
resistance of the coil and confirm its
Compressor failure (High
operation (sound of initial
current).
operation, etc.)
3. Observe any possibility cause which
may affect operation load of
compressor.
4. Operate again. If compressor
operation is failure when 20 seconds
passed (count time from operation
starting of compressor), replace
compressor.
* 4 times ; When first error is detected, error is count as 1 time, then once operation is stop and re-started.
After re-starting operation within 15 minutes, if same error is detected, error count is add (count become 2 times)
When error count comes 4 times, record error to check code. But after re-starting operation, if no error is
detected and air conditioner can operate more than 15 minutes, error count is cleared.
The others
Return signal of the outdoor
Indoor unit
Flashes when
(including
unit has been sent when
operates
error is detected. 2. If the air conditioner repeat operates
compressor)
operation start. But after
continue.
Flashing stop
and stop with interval of approx. 10
that, signal is stop some time.
Outdoor unit
and outdoor unit
to 40 minutes.
stop.
Instantaneous power
1. Check power supply (Rate + 10%)
start to operate
Check protector (hardware) such
failure.
when the return
as Hi-Pressure switch,
Some protector
signal from the
Thermal-Relay, etc.
(hardware) of the
outdoor unit is
Check refrigerant amount, packed
outdoor unit open
normal.
valve opening and any possibility
circuit of signal.
cause which may affect high
Signal circuit of indoor
temperature or high pressure.
P.C. board or outdoor
3. Check operation signal of the indoor
P.C. board is failure
unit by using diode. Measure voltage
in some period.
at terminal block of the indoor unit
between No.2 and No.3 (or L2 and S)
If signal is varied 15-60V continuously,
replace inverter P.C. board.
If signal is not varied, replace indoor
P.C. board.
– 78 –
FILE NO. SVM-13069-4
Block distinction
Check
code
Block
Operation of diagnosis function
Check
code
Cause of operation
Compressor does not rotate.
Air
conditioner
status
All OFF
Action and Judgment
Display
flashing error
Flashes after
Because of missed wiring,
error is detected
missed phase or shortage.
4 times*.
1. Remove connecting lead wire of the
compressor, and operate again.
2. If outdoor fan does not operate or
operation but stop after some period,
replace the inverter P.C. board.
3. If outdoor fan operates normally,
measure 3-Phase output of inverter
P.C. board (150-270VAC) at the
connecting lead wire of compressor.
4. If 3-Phase output is abnormal, replace
inverter P.C.Board.
5. If 3-Phase output is normal, measure
resistance of compressor winding.
6. If winding is shortage, replace the
compressor.
Discharge temperature
All OFF
o
exceeded 117 C.
Flashes after
1. Check sensors TD.
error is detected
2. Check refrigerant amount.
4 times*.
3. Check P.M.V. by measure the
resistance of the coil and confirm its
operation (sound of initial
operation, etc.)
4. Observe any possibility cause which
may affect high temperature of
compressor.
Compressor is high current
All OFF
Flashes after
1. Check installation conditions such as
though operation Hz is
error is detected
packed valve opening, refrigerant
decreased to minimum limit.
4 times*.
amount and power supply (rate +10%,
Installation problem.
both of operation and non operation
Instantaneous power
condition).
failure.
2. Check P.M.V. by measure the
Refrigeration cycle
resistance of the coil and confirm its
problem.
operation (sound of initial
Compressor break down.
operation, etc.)
3. Observe any possibility cause which
Compressor failure (High
may affect high current of compressor.
current).operation, etc.)
4. If 1, 2 and 3 are normal, replace
compressor.
* 4 times ; When first error is detected, error is count as 1 time, then once operation is stop and re-started.
After re-starting operation within 15 minutes, if same error is detected, error count is add (count become 2 times)
When error count comes 4 times, record error to check code. But after re-starting operation, if no error is
detected and air conditioner can operate more than 15 minutes, error count is cleared.
– 79 –
FILE NO. SVM-13069
11-5. Judgement of Trouble by Every Symptom
11-5-1. Indoor unit (Including remote controller)
(1) Indoor unit is not operated.
(RAS-09EKV-UL)
Turn off power
supply once, and 5
second later, turn it
on again.
Operation
Check item
Conceivable principle
cause
NO
Is OPERATION
lamp blinking?
Measure
YES
Is it possible to
turn on
Indoor unit by
pressing
[ ] button
on remote
control?
NO
Does
transmission
mark on
remote control
flash normally,
and is its signal
transmitted
properly?
YES
YES
Item by symptoms
NO
Remote control is
defective.
Refer to (5)
"Troubleshooting for
Remote Control."
Unit operates
normally.
Is fuse (F01) YES
of indoor control
board blown?
Parts
(DB01,C27,T01
and IC02)
are defective.
NO
Is voltage
(DC 12V or 5V)
indicated on
indoor
control board
normal?
NO
YES
Does
Connection between
YES
main PC Board
and display PCB are
connect properly ?
NO
Reconnect housing
– 80 –
Microcomputer
is defective.
Replace main
P.C. board.
FILE NO. SVM-13069
( RAS-12EKV-UL)
Operation
Check Item
Considerable principle cause
Turn off power supply once, and
5 second later, turn it on again.
Measures
NO
Item by symptoms
Is OPERATION indicator flashing?
YES
Is it possible to turn on
A/C by pushing
[ ] button
on remote controller?
YES
Does transmission mark
on remote controller flash
normally,and is its signal
transmitted properly?
YES
NO
NO
Remote controller is defective.
Refer to (5) “Troubleshooting
for remote controller”.
Unit operates normally.
Point remote to digital
camera. Can see infrared
ray at sending LED
on camera monitor
when push [ ] button?
NO
Replace remote control
YES
Is fuse (F01)
of indoor control
board blown?
Does fan
YES
motor connector
between
CN10
1
–
YES
3 short-circuit?
YES
NO
Is voltage
(DC5V, 12V and 15V)
indicated on rear of
indoor control
board nor mal?
NO
YES
Does connection
between PC Board
and reciver PCB
are connect properly?
YES
Microcomputer
is defective.
Replace main
P.C. board
NO
NO
Reconnect housing
Replace fan
motor.
(2) Operation is not turned on though Indoor P.C. board is replaced
<Confirmation procedure>
Turn on power supply.
Does OPERATION indicator flash?
NO
Is wired correctly to white and
black lead wires of terminal block?
NO
Correct wiring.
YES
To item of
“Indoor unit is not operated”.
– 81 –
FILE NO. SVM-13069
(3) Only the indoor motor fan does not operate
<Primary check>
1. Is it possible to detect the power supply voltage (AC208–230V) between L1 and L2 on the terminal block?
2. Does the indoor fan motor operate in cooling operation?
(In heating operation, the indoor fan motor does not operate for approximately 10 minutes after it is turned
on, to prevent a cold air from blowing in.)
( RAS-09EKV-UL)
<Check procedure>
Shut off the
power supply once.
Turn the power supply.
Does the fan stop in
no operating status?
NO
Replace the P.C. board.
Control P.C. board is defective.
YES
Does an operation
LED 1 Hz blink?
NO
Check connecting
cable or power
supply cord complely?
YES
Reconecting the
interconnetion cable
and terminal
block.
NO
YES
Start the operation
with low fan setting
in cool operation.
Check 5V at
Main P.C. Board?
NO
Check 5V at
display unit?
YES
YES
Change Display unit
Does the fan rotate?
NO
YES
Does the fan motor
operate smoothly?
Does AC 115 V
or higher voltage apply
to between red and black
lead of fan motor?
NO
YES
NO
YES
Shut off the power supply.
Change the setting of
cooling to high fan.
Does the cross flow
fan rotate normally?
NO
Replace
bearing of cross
flow fan
YES
Turn on the power supply.
Does the fan speed
become higher?
NO
Operation
stops
YES
Is the rotation signal (DC+5 V 0 V)
output between k (gray lead wire)
and l (brown lead wire) of the motor
connector (CN33) when rotating the
cross flow fan by hand in no operating
status? (1 pulse/one turn)
YES
Normal
Replace the control
P.C. board.
– 82 –
NO
Replace the fan motor.
NO
FILE NO. SVM-13069
( RAS-12EKV-UL )
Turn off power
supply once, and
turn it on again.
YES
Does fan motor
continue to operate?
NO
Is it possible to detect
DC 1V or more between
5 + and 3 – of
motor connector (CN31).
NO
Peplace indoor
fan motor.
YES
YES
Reconnecting the
in terconnection cable
and terminal block
NO
Does check connecting
cable or power supply
cord complely?
NO
Does check
operation LED flash?
YES
Does check
5V at display unit?
NO
Does check 5V
at main P.C board?
YES
YES
Start to operate
indoor unit in cooling
operation at airflow
level “LOW”.
Does indoor
fan operate?
YES
NO
Replace
display unit
NO
Is it possible to detect
DC 294–325V between
1 + and 3 – of motor
connector (CN31).
NO
YES
(Motor connection condition)
Is it possible to detect DC 15V
between 4 + and 3 – of
motor connector (CN31).
NO
Turn off indoor unit and remove
connector from motor.
Then push [ ] button
on remote controller to stop
flashing lamp on indoor unit.
YES
Is it possible to detect
DC 15V between 4 +
and 3 – of motor
connector (CN31).
Change airflow level
to “HIGH”.
NO
YES
Start to operate the
indoor unit in except
heating operation.
NO
At this time, is it possible to
detect DC 1V or more between
5 + and 3 – of motor
connector (CN31)?
YES
Turn off indoor unit and
remove connector from motor.
Then start to operate indoor
unit with remote controller.
Start to operate the
indoor unit in except
heating operation.
At this time, is it possible
to detect DC 1V or more
between 5 + and 3 –
of motor connector (CN31)?
(Check this condition
within 15 seconds after
starting unit.)
YES
A
B
– 83 –
NO
Peplace main
P.C. board.
FILE NO. SVM-13069
A
Is it possible to
change airflow level
to “HIGH”?
NO
Does check display
on remote show high?
NO
Replace
remote
YES
YES
Change the new PC
board. Does fan speed
change?
NO
Replace
motor
YES
B
Fan motor
operates normally.
Is it possible to
rotate cross-flow fan by
hand properly?
NO
YES
Turn off indoor unit
and rotate cross-flow
fan by hand when the
unit is on standby.
At this time, is it possible to
detect DC 1V or more
between 5 + and 3 –
of motor connector
(CN31).
Does check cross-flow
fan bearing normal
condition?
NO
Replace bearing
of cross-flow fan.
YES
NO
YES
Replace indoor
fan motor.
Peplace main
P.C. board.
– 84 –
FILE NO. SVM-13069
(4) Indoor fan motor automatically starts to rotate by turning on power supply
(For AC fan motor in RAS-09EKV-UL)
<Cause>
AC motor is only coil and Hall-IC inside packing all driving control or circuit locate on a main PC Board.
<Inspection procedure>
1. Turn on breaker.
2. After Fan motor operate, off A/C by remote controller.
3. Turn off breaker for a while, then turn it ON.
3.1. If fan motor not operate, it means an unit in Auto-restart operation. (see more detail in P. 45-46)
3.2. If Fan motor still operate, means P.C Board mal-function. Replace P.C Board.
(For DC fan motor in RAS-12EKV-UL)
<Cause>
The IC is built in the indoor fan motor. Therefore the P.C. board is also mounted to inside of the motor.
If the P.C. board is soldered imperfectly or the IC is defective, the fan motor may automatically rotate by turning
on power supply.
<Inspection procedure>
1. Turn on breaker.
2. After Fan motor operate, off A/C by remote controller.
3. Turn off breaker for a while, then turn it ON.
3.1. If fan motor not operate, it means an unit in Auto-restart operation. (see more detail in P. 44-45)
3.2. If Fan motor still operate, follow the below.
3.2.1. Remove the grille.
3.2.2. Remove the cover terminal by release one screw.
3.2.3. Check DC voltage with CN31 connector while the fan motor is rotating.
NOTE :
• Do not disconnect the connector while the fan motor is rotating.
• Use a thin test rod.
P.C. board
Indoor fan starts rotating when power supply is turned on.
CN31
(Check output DC voltage of fan motor on P.C. board.)
6 (Blue)
Yellow
Measure voltage between 3 (GND : BLACK)
and 5 (V line : YELLOW) of motor connector (CN31)
while indoor fan motor is rotating.
5 (Yellow)
4 (White)
Black
3 (Black)
2
–
1 (Red)
DC 1.0V or more
Under DC 1.0V
DC
P.C. board is defective.
Motor is defective.
Replace P.C. board.
Replace motor.
– 85 –
FILE NO. SVM-13069
(5) Troubleshooting for remote controller
<Primary check>
Check that A or B selected on the main unit is matched with A or B selected on the remote controller.
Push the [
The unit does not beep at all.
Operation lamp on indoor
unit is not indicated.
] button.
NO
Is transmission
mark indicated?
YES
Is receiver
on indoor unit
exposed to
direct sunlight?
Reset by take off
battery the push
[ ] button till LCD
indication disclear
put battery again.
NO
YES
Is there any
fluorescent light
nearly?
NO
NO
YES
Does indoor unit
operate when moving
remote controller
near receiver or
indoor unit?
YES
Batteries are
exhausted.
[
NO
Does A/C operate?
by push RESET button
of indoor unit.
Is transmission
mark indicated?
YES
Point remote to
digital camera can
see infrared at sending
LED on carmera monitor
when push [ ] button?
Does indoor unit
beep and operate?
YES
NO
YES
Remote controller
is defective.
Reciver P.C. board
is defective.
Avoid direct
sunlight.
Keep indoor unit
away from
fluorescent light.
NO
YES
NO
Replace main
P.C. Board
Push the
] button
Replace reciver
P.C. board.
– 86 –
Replace
batteries.
Normal
operation
Replace
remote controller.
FILE NO. SVM-13069
11-5-2. Wiring Failure (Interconnecting and Serial Signal Wire)
(1) Outdoor unit does not operate
1) Is the voltage between L2 and S of the indoor terminal block varied?
Confirm that transmission from indoor unit to outdoor unit is correctly performed based upon the following diagram.
NOTE:
• Measurement should be performed 2 minutes and 30 seconds after starting of the operation.
• Be sure to prepare a diode for judgment.
Terminal block at indoor side
Red
S
White
L2
L1
S5277G or equivalent
(Diode with rated voltage of 400V
or more is acceptable.)
S5277G
Terminal block
Tester
Normal time
: Voltage swings between DC15 and 60V. ...................Inverter Assembly check (11-5-1.)
Abnormal time : Voltage does not vary.
(2) Outdoor unit stops in a little while after operation started
<Check procedure> Select phenomena described below.
1) The outdoor unit stops 10 to 20 minutes after operation started, and 10 minutes or more are required to
restart the unit.
Gas circulation amount is down.
Gas shortage
Gas leak
Measure gas pressure.
Pipe clogging
Thermo. operation of compressor
2) If the unit stops once, it does not operate until the power will be turned on again.
To item of Outdoor unit does not operate.
3) The outdoor unit stops 10 minutes to 1 hour after operation started, and an alarm is displayed.
(Discharge temp. error check code 03, 1E Sensor temp. error check code 02, 1C)
Gas leak
P.M.V. is defective.
Refer to the chart in 11-6.
Miswiring of connecting wires of indoor/outdoor units
Clogging of pipe and coming-off of TC sensor
– 87 –
FILE NO. SVM-13069
11-6. Check Code 1C (Miswiring in indoor/outdoor units) and 1E
<Check procedure>
1C
1E
Gas leakage,
disconnection of TS/TC
sensors (Check code 02, 1C)
Discharge temp. error,
gas leakage
(Check code 03, 1E)
Valve drive check
NO
Is coil of the pulse motor valve
(P.M.V.) correctly set?
Set it correctly.
YES
NO
Is connecter of coil connected to inverter?
Set it correctly.
YES
Disconnect PMV connector then check coil resistance.
Is it 46±4Ω/Phase
(white-Red, Red-Orange, Yellow-Red, Blue-Red)?
NO
Replace coil valve.
YES
Are temp. sensors of indoor/outdoor units correctly set to the holder?
NOTE :
The temperature sensors which are used to control pulse motor valve
include indoor heat exchanger sensor (TC), outdoor heat exchanger temp.
sensor (TE), outdoor suction temp. sensor (TS) and outdoor sensor (TO).
NO
Set it correctly.
YES
Gas amount check and valve clogging check
Remove TC sensor connector from the P.C. board in indoor unit.
(Remove connector from the P.C. board.)
Operate the air conditioner in COOL mode by RESET button on indoor unit
(“Beep” sound is heard if keeping pushed RESET button for 10 seconds.).
The operation enters temporary operation mode which fixes opening degree of compressor speed.
Check condensation at outlet of PMV, and then check operating pressure from the service port.
Existence of condensation at outlet of P.M.V.
If there is condensation at outlet (1/4 inch=Ø6.35mm valve side),
the valve is clogged.
Check the operating pressure from service port, and add gas if pressure is low.
– 88 –
YES
Replace valve.
Add gas.
FILE NO. SVM-13069
11-7. How to Diagnose Trouble in Outdoor Unit
Check Power Supply
(Voltage Rate ±10%)
YES
Turn OFF power
supply.
Remove connector
of compressor.
Check 25A
fuse (F01)
failure?
NO
YES
NO
Check component
parts of control board
assembly by visual.
(damage, burn,.. Etc.)
YES
Replace
control board.
Replace
fuse.
Turn ON power
Supply.
Check terminal
Voltage of electrolytic
capacitor are in
(Voltage Rate
±10%) x 1.414?
YES
NO
Replace
control board.
Turn ON the unit
by remote controller
and wait for 3 min.
(Cooling : 17°C)
A
– 89 –
• Connect discharge
resistance (approx. 100Ω,
40W) or soldering iron
(plug) between +, –
terminals of the electrolytic capacitor (500µF )
of C14 (with printed
CAUTION HIGH VOLTAGE)
on P.C. board.
Discharging position
(Discharging period
10 seconds or more)
Plug of
soldering
iron
FILE NO. SVM-13069
A
Does outdoor fan
operate normally?
NO
YES
YES
Turn OFF power
supply.
Does compresser
operate normally?
NO
NO
Compressor
is normal
YES
Turn OFF power
supply.
Replace outdoor
fan motor.
Check compressor
winding resistance
correct?
NO
YES
Replace
compressor.
Turn ON power
supply.
Check voltage of the
compressor connector
is in rate.
(AC150V-270V)?
NO
YES
Replace
compressor.
Remove connector CN300 of
outdoor fan motor.
Check winding resistance by
ohmmeter are correct?
Check rotor locking by rotate
with hand. Can it rotate?
Replace control
board.
– 90 –
Replace control
board.
FILE NO. SVM-13069
11-8. How to Check Simply the Main Parts
(2) Inspection procedures
1) When a P.C. board is judged to be defective,
11-8-1. How to check the P.C. board (Indoor unit)
check for disconnection, burning, or discoloration of the copper foil pattern or this P.C. board.
(1) Operating precautions
2)
The
P.C. board consists of the following 2 parts
1) When removing the front panel or the P.C.
a.
Main
P.C. board part:
board, be sure to shut off the power supply
DC
power
supply circuit (5 V, 12 V),
breaker.
Indoor
fan
motor control circuit, CPU and
2) When removing the P.C. board, hold the edge
peripheral
circuits,
buzzer, and Driving circuit
of the P.C. board and do not apply force to the
of
louver.
parts.
b. Indication unit of infrared ray receiving
3) When connecting or disconnecting the connecInfrared ray receiving circuit, LED:
tors on the P.C. board, hold the whole housing.
Do not pull at the lead wire.
11-8-2. How to shorten time for start the compressor.
1. Turn on remote.
2. Setting requirment operation.
3. Push off remote.
4. Press [SET] button while pressing [CHECK] button
with a tip of a pencil.
5. Then press [ ] button to transmit the signal to the
indoor unit.
PRESET
FAN
TEMP
ONE-TOUCH
MODE
QUIET
COMFORT
SLEEP
SWING
FIX
Hi-POWER ECO
CLR
TIMER
ON
OFF
SLEEP
°C/°F CHK
SET
FILTER
CLOCK
This setting helps to shortern a compressor waiting period when operate cool, heat or dry mode.
A compressor suddenly starts one order of Remote controller is received.
– 91 –
FILE NO. SVM-13069
11-8-2.
8
P .C . Board Layout
( RAS-09EKV-UL )
+ 5V
GND
++12V
12V
[1] Sensor characteristic table
100
Resistance value (k )
90
80
TD
70
60
50
40
30
20
TA, TC, TO, TE, TS
10
0
0
10
20
30
40
50
Temperature ( C)
– 92 –
TD
TA
TC
TO
TE
TS
: Discharge temp. sensor
: Room temp. sensor
: Heat exchanger temp. sensor
: Outdoor temp. sensor
: Outdoor heat exchanger temp. sensor
: Suction temp. sensor
FILE NO. SVM-13069
( RAS-12EKV-UL )
[1] Sensor characteristic table
100
Resistance value (k )
90
80
TD
70
60
50
40
30
20
TA, TC, TO, TE, TS
10
0
0
10
20
30
40
50
Temperature ( C)
– 93 –
TD
TA
TC
TO
TE
TS
: Discharge temp. sensor
: Room temp. sensor
: Heat exchanger temp. sensor
: Outdoor temp. sensor
: Outdoor heat exchanger temp. sensor
: Suction temp. sensor
FILE NO. SVM-13069
11-8-3. Indoor Unit (Other Parts)
No.
Part name
1
Room temp. (TA) sensor
Heat exchanger (TC) sensor
Checking procedure
Disconnect the connector and measure the resistance value with tester.
(Normal temp.)
Temperature
Sensor
TA, TC (kΩ)
10°C
20°C
25°C
30°C
40°C
20.7
12.6
10.0
7.9
4.5
2
Remote controller
Refer to 11-5-1. (5).
3
Louver motor
24BYJ48-HTP
Measure the resistance value of each winding coil by using the tester.
(Under normal temp. 25°C)
White
Yellow
Yellow
Yellow
Yellow
4
Indoor fan motor
1
2
3
4
5
1
2
3
4
5
Position
Resistance value
1 to 2
1 to 3
1 to 4
1 to 5
250 ± 20Ω
Refer to 11-5-1. (3) and (4).
11-8-4. Outdoor Unit
No.
1
Part name
Compressor
(Model : DA111A1F-20F2)
Checking procedure
Measure the resistance value of each winding by using the tester.
Red
RAS-12EA Series
Position
(Model : DA89X1C-23FZ2)
RAS-09EA Series
White
2
Outdoor fan motor
(Model : ICF-340UA0-2)
Black
4-way valve coil
(Model : STF-01U8Z)
0.88 to 0.98Ω
1.04 to 1.16Ω
at 20ºC
Measure the resistance value of winding by using the tester.
Red
White
3
Red - White
White - Black
Black - Red
Resistance value
DA111A1F-20F1 DA89X1C-1F-23FZ
Position
Resistance value
Red - White
20 to 22Ω
White - Black
20 to 22Ω
Black- Red
Black
20 to 22Ω
at 20ºC
Measure the resistance value of winding by using the tester.
Resistance value
1435 ± 144Ω
at 20°C
4
Pulse motor valve coil
Measure the resistance value of winding by using the tester.
(Model : CAM-MD12TCTH-4)
Position
Resistance value
1
W
6 GR
COM
3
O
Y R BL
COM 2
5
Outdoor temperature sensor
(TO), discharge temperature
sensor (TD), suction
temperature sensor (TS),
outdoor heat exchanger
temperature sensor (TE)
5
4
Gray - White
42 to 50Ω
Gray - Orange
42 to 50Ω
Red- Yellow
42 to 50Ω
Red- Blue
42 to 50Ω
at 20°C
Disconnect the connector, and measure resistance value with the tester.
(Normal temperature)
Temperature
10°C
20°C
25°C
30°C
40°C
50°C
TD (kΩ )
100
64
50
41
27
18
TO,TS,TE (kΩ )
20.7
12.6
10.0
7.9
4.5
—
Sensor
– 94 –
FILE NO. SVM-13069
11-8-5. Checking Method for Each Part
Part name
1
Electrolytic capacitor
(For boost, smoothing)
Checking procedure
1.
2.
3.
4.
5.
6.
Turn OFF the power supply breaker.
Discharge all three capacitors completely.
Check that safety valve at the bottom of capacitor is not broken.
Check that vessel is not swollen or exploded.
Check that electrolytic liquid does not blow off.
Check that the normal charging characteristics are shown in continuity test by
the tester.
Heat sink IGBT side
No.
C12
C13
C14
Case that product is good
Pointer swings once, and returns
slowly. When performing test
once again under another
polarity, the pointer should return.
MCC-5009
Soldered
surface
C12, C13, C14 → 500µF
2
Diode block
1. Turn OFF the power supply breaker.
2. Discharge all three capacitors completely.
3 Check that the normal rectification characteristics are shown in continuity
test by the tester.
+~~–
1 2 3 4
(DB01)
2
1
Diode check
Tester rod
e
~1
\
~2
\
e
Resistance value
in good product
d
d
50kΩ or more
(0Ω in trouble)
~1
\
~2
\
– 95 –
FILE NO. SVM-13069
11-9. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad
1. Symptom
• Outdoor fan motor does not rotate.
• Outdoor fan motor stops within several tens seconds though it started rotating.
• Outdoor fan motor rotates or does not rotate according to the position where the fan stopped, etc.
Remote controller check code “02 : Outdoor block, 1A : Outdoor fan drive system error”
2. Cause
The following causes are considered when the outdoor fan motor does not normally rotate.
1) Mechanical lock of the outdoor fan motor
2) Winding failure of the outdoor fan motor
3) Position-detect circuit failure inside of the outdoor fan motor
4) Motor drive circuit failure of the outdoor P.C. board
3. How to simply judge whether outdoor fan motor is good or bad
Turn OFF the breaker.
Disconnect two connectors (CN300) of the
outdoor fan motor from the outdoor P.C. board.
Does the fan rotate without trouble
when rotating it with hands?
NO
CN300
YES
If the resistance value between
1 (Red lead)
– 2 (White lead)
2 (White lead)
– 3 (Black lead)
3 (Black lead)
– 1 (Red lead)
of the connector
(CN300 : Motor winding)
is 17 to 25Ω, it is normal.
NO
YES
Fan motor is normal.
Fan motor error
(Outdoor P.C. board error)
NOTE :
However, GND circuit error inside of the motor may be accepted in some cases when the above check is
performed.
When the fan motor does not become normal even if P.C. board is replaced, replace the outdoor fan motor.
– 96 –
FILE NO. SVM-13069
12. HOW TO REPLACE THE MAIN PARTS
WARNING
• Since high voltages pass through the electrical parts, turn off the power without fail before proceeding with
the repairs.
Electric shocks may occur if the power plug is not disconnected.
• After the repairs have been completed (after the front panel and cabinet have been installed), perform a
test run, and check for smoking, unusual sounds and other abnormalities.
If this check is omitted, a fire and/or electric shocks may occur.
Before proceeding with the test run, install the front panel and cabinet.
• Ensure that the following steps are taken when doing repairs on the refrigerating cycle.
1. Do not allow any naked flames in the surrounding area.
If a gas stove or other appliance is being used, extinguish the flames before proceeding.
If the flames are not extinguished, they may ignite any oil mixed with the refrigerant gas.
2. Do not use welding equipment in an airtight room.
Carbon monoxide poisoning may result if the room is not properly ventilated.
3. Do not bring welding equipment near flammable objects.
Flames from the equipment may cause the flammable objects to catch fire.
• If keeping the power on is absolutely unavoidable while doing a job such as inspecting the circuitry, wear rubber gloves to avoid contact with the live parts.
Electric shocks may be received if the live parts are touched.
High-voltage circuits are contained inside this unit.
Proceed very carefully when conducting checks since directly touching the parts on the control circuit
board may result in electric shocks.
12-1. Indoor Unit
No.

Part name
Front panel
Procedures
1) Stop operation of the air conditioner and
turn off its main power supply.
2) Open the air inlet grille, push the arm
toward the outside, and remove the grille.
3) Remove the left and right air filters.
– 97 –
Remarks
FILE NO. SVM-13069
No.

Part name
Front panel
Procedures
4) Press "PUSH" part under the front panel
and remove hooks of the front panel from
the installation plate.
Remarks
Installation plate
Front panel
Press
5) Remove the front panel fixing screws.
(2 pcs.)
6) Take off three hooks of panel from rear
side.
2 Screws
Three hooks
<How to assemble the front panel>
1) Press three center positions and two lower center positions of the air outlet, and
then hang the hanging hooks (3 pcs.) at the top side of the front panel to the rear
plate.
2) Tighten two screws.
• Incomplete hanging or incomplete pressing may cause a dewdrops or generation
of a fluttering sound.
– 98 –
FILE NO. SVM-13069
No.
Part name
k
Electric parts
box assembly
Procedures
Remarks
1) Follow the procedure up to 3) in ‚ above.
2) Remove screw of earth lead attached to the
end plate of the evaporator.
3) Remove the lead wire cover, and remove
connector for the fan motor and connector for the louver motor from the electric
parts box assembly.
4) Pull out TC sensor from sensor holder of the
evaporator.
5) Disengage the display unit by simply pushing
at the top of the display unit.
Electric part
box cover
TC sensor
Earth Screw
Fan motor
connector
6) Remove the fixing screw that secures the
electric parts box assembly, and remove the
assembly.
Fixing screw
Louver motor
connector
<How to assemble the electric parts box>
1) Hook the top part of the electric parts box
assembly onto the claws on the back body,
and secure it using the fixing screw.
Now attach the display unit. Connect the
connectors for the fan motor and louver motor.
2) Secure the grounding wire using the fixing
screw. Insert the TC sensor into the sensor
holder.
* Be absolutely sure to loop the grounding
wire and TC sensor leads once at the
bottom.
– 99 –
AC fan motor
connector
FILE NO. SVM-13069
No.
Part name
Procedures
Remarks
l
Horizontal louver
1) Remove shaft of the horizontal
louver from the back body.
(First remove the left shaft, and
then remove other shafts while
sliding the horizontal louver
leftward.)
„
Evaporator
(Heat exchanger)
1) Follow to the procedure in the item ƒ.
2) Remove the pipe holder from the rear side of the main unit.
3) Remove two fixing screws at the left side of the end plate of the heat exchanger.
2 screws
4) Remove one fixing screw on the
heat exchage fixing holder to separate the
heat exchage from the back body.
Heat exchanger fixing
holder
5) Remove one screw at below right side of
heat exchanger that used for fixing between
heat exchanger and back body by Fix
Evaporator (DN)
The Fix Evaporator (DN) is used for
transportation only and can be removed
without any concern to unit operation.
Follow to 7) for removing.
Screw
Screw
Fix Evaporator (DN)
6) Remove right side of the end plate from
two fixing rib while sliding slightly the
heat exchanger rightward.
Rib on the right side of the end plate
– 100 –
FILE NO. SVM-13069
No.
„
Part name
Evaporator
(Heat exchanger)
Procedures
Remarks
7) Unscrew one screw which fix Electrical
Control Box and the casing. Move
Electrical Control Box until can see one
screw that fix Motor band and unscrew
it then remove FIX-EVA-DN
Screw
Screw
Tighten the screw of Motor band,
assembly Electrical Control Box then
tighten screw to complete reassembly.
Motor band
Screw
… Bearing base
1) Follow to the procedure in the item „ .
2) Remove the two screws used to secure
the bearing base.
Two screws
3) Remove the bearing base.
<Caution at assembling>
• If the bearing is out from the housing,
push it into the specified position and then
incorporate it in the main body.
Bearing
– 101 –
Bearing base
FILE NO. SVM-13069
No.
o
Part name
Fan motor
Procedures
Remarks
1) Follow to the procedure till item ….
2) Loosen the set screw of the cross flow fan.
3) Remove two fixing screws of the motor cover
and them remove the motor cover.
4) Remove two more fixing screws of the
motor band and remove the motor band.
Set screw
Two screw
Two screws on
motor band
Motor cover
5) Pull the fan motor outward.
Reference condition of Fan Motor's assembly.
– 102 –
FILE NO. SVM-13069
No.
Part name
Procedures
‡
Cross flow fan
<Caution at reassembling>
1) To incorporate the fan motor incorporate the
motor into the position in the following figure,
and then install the fan motor.
• Install the cross flow fan so that the right
end of the 1st joint from the right of the
cross flow fan is set keeping 5.0 mm from
closed wall of the main unit.
• Holding the set screw, install the cross flow
fan so that flat area on shaft of the fan motor
comes to the mounting hole of the set screw.
• Perform positioning of the fan motor as
follows:
• When assembling the fan motor, the fan
motor must be installed in such a way that
the fan motor leads will be taken out is
positioned at the bottom front.
• After assembling the two hooking claws of
the motor band (right) into the main body,
position the fan motor, insert it, and then
secure the motor band (right) using the two
fixing screws.
– 103 –
Remarks
Fan motor D shaft
5mm
Double point set screw
FILE NO. SVM-13069
12-2. Microcomputer
No.
Part name

Common procedure
Procedure
1) Turn the power supply off to stop the
operation of air-conditioner.
2) Remove the front panel.
• Remove the 2 fixing screws.
3) Remove the electrical part base.
– 104 –
Remarks
Replace terminal block,
microcomputer ass’y and the
P.C. board ass’y.
FILE NO. SVM-13069
12-3. Outdoor Unit
No.
Part name

Common
procedure
Remarks
Procedure
1. Detachment
NOTE
Wear gloves for this job.
Otherwise, you may injure your
hands on the parts, etc.
1) Stop operation of the air conditioner,
and turn off the main switch of the
breaker for air conditioner.
2) Remove the valve cover.
(screw 3 pcs.)
• After removing screw, remove the
valve cover pulling it downward.
3) Remove cord clamp (screw 3 pcs.)
and then remove connecting
cable.
4) Remove the upper cabinet.
(screw 5 pcs.)
• After removing screws, remove the
upper cabinet pulling it upward.
2. Attachment
1) Attach the upper cabinet.
(screw 5 pcs.)
2) Perform cabling of connecting cable,
and attach the cord clamp.
• Fix the cord clamp by tightening
the screws (screw 3 pcs.)
fitting 2 concave parts of the cord
clamp to each connecting cables.
3) Attach the valve cover.
(screw 3 pcs.)
• Insert the upper part into the square
hole of the side cabinet, set hook
claws of the valve cover to square
holes (at two positions) of the main
unit, and attach it pushing upward,
– 105 –
FILE NO. SVM-13069
No.
Part name
Procedure
‚
Front cabinet
1. Detachment
1) Perform step 1 in .
2) Remove the fixing screws (screw 2 pcs.)
used to secure the front cabinet and
inverter cover, the screws (screw 3 pcs.)
used to secure the front cabinet at the
bottom, the screw used to secure the
front and side cabinet (Right), and the
screws (screw 2 pcs.) used to secure
the motor base.
• The front cabinet is fitted into the side
cabinet (left) at the front left side so
pull up the top of the front cabinet to
remove it.
2. Attachment
1) Insert the claw on the front left side into
the side cabinet (left).
2) Hook the bottom part of the front right
side onto the concave section of the
bottom plate. Insert the claw of the side
cabinet (right) into the square hole in the
front cabinet.
3) Return the screws that were removed
above to their original positions and
attach them.
– 106 –
Remarks
FILE NO. SVM-13069
No.
ƒ
Part name
Inverter
assembly
Procedure
1) Perform work of item 1 in .
2) Remove screw (ST1TØ4 × 10L 2 pcs.) of the
upper part of the front cabinet.
• If removing the inverter cover in this
condition, P.C. board can be checked.
• If there is no space above the unit, perform
work of 1 in ‚.
Remarks
Inverter cover
P.C. board
(Soldered surface)
Be careful to check the inverter because
high-voltage circuit is incorporated in it.
3) Perform discharging by connecting ,
polarity by discharging resistance (approx.
100Ω40W) or plug of soldering iron to ,
terminals a of the C14 (printed “CAUTION
HIGH VOLTAGE” is attached.) electrolytic
capacitor (500µF) on P.C. board.
Discharging position
(Discharging period
10 seconds or more)
Plug of
soldering
iron
Be careful to discharge the capacitor
because the electrolytic capacitor
cannot naturally discharge and voltage
remains according to trouble type in
some cases.
NOTE
This capacitor is one with mass capacity.
Therefore, it is dangerous that a large
spark generates if short-circuiting
between ,
4) Remove screw (ST1T∅4 x 10L 4pcs.) fixing
the terminal part of inverter box to the main
body.
5) Remove the front cabinet by performing step
1 in k , and remove the fixing screws
(ST1T∅4 x 10L) for securing the main body
and inverter box.
6) Remove various lead wires from the holder
at upper part of the inverter box.
7) Pull the inverter box upward.
8) Disconnect connectors of various lead wires.
The connector is one
with lock, so remove
it while pushing the
part indicated by an
arrow.
Requirement
As each connector has a lock mechanism, avoid to remove the connector by
holding the lead wire, but by holding the
connector.
Be sure to remove the connector by
holding the connector, not by pulling
the lead wire.
− 107 −
FILE NO. SVM-13069
No.
Part name
Procedure
„
Control board
assembly
1. Disconnect the leads and connectors connected to
the other parts from the control board assembly.
1) Leads
• 3 leads (black, white, orange) connected to
terminal block.
• Lead connected to compressor :
Disconnect the connector (3P).
• Lead connected to reactor :
Disconnect the two connectors (2P).
2) Connectors (×8)
CN300 : Outdoor fan motor (3P: white)*
(* : See Note)
CN701 : 4-way valve (2P: yellow)*
CN600 : TE sensor (2P: white)*
CN700 : PMV (6P: white)
CN603 : TS sensor (3P: white)*
CN601 :TD sensor (3P: white)*
CN602 : TO sensor (2P: white)
Remarks
CN603
CN601
CN600
CN701
CN700 CN602
CN300
CN300, CN701, CN600 and
CN603 are connectors with
locking mechanisms: as such,
to disconnect them, they must
be pressed in the direction of
the arrow while pulling them
out.
NOTE
These connectors have a disconnect prevention
mechanism: as such, the lock on their housing
must be released before they are disconnected.
2. Remove the control board assembly from the P.C.
board base. (Remove the heat sink and control
board assembly while keeping them screwed
together.)
NOTE
Disengage the four claws of the P.C. board base,
hold the heat sink, and lift to remove it.
3. Remove the two fixing screws used to secure the
heat sink and control board assembly.
4. Mount the new control board assembly.
NOTE
When mounting the new control board assembly,
ensure that the P.C. board is inserted properly
into the P.C. board support groove.
– 108 –
P.C. board base
P.C. board
FILE NO. SVM-13069
No.
Part name
…
Side cabinet
Procedure
Remarks
1. Side cabinet (right)
1) Perform step 1 in ‚ and all the steps in
ƒ.
2) Remove the fixing screw used to secure
the side cabinet and heat exchanger.
3) Remove the fixing screw (screw 2 pcs.)
used to secure the plate conduit and
side cabinet.
4) Remove the fixing screw (screw 3 pcs.)
used to secure the side cabinet to the
bottom plate and valve fixing panel.
2. Side cabinet (left)
1) Perform step 1 in ‚.
2) Remove the fixing screw used to secure
the side cabinet (left) onto the heat
exchanger.
3) Remove the fixing screw (SCREW 2 pcs.)
used for securing the side cabinet to the
bottom plate and heat exchanger.
A
B
C
Detail A
†
Fan motor
Detail B
1) Perform work of item 1 of  and ‚.
2) Remove the flange nut fixing the fan motor
and the propeller.
• Flange nut is loosened by turning clockwise. (To tighten the flange nut, turn
counterclockwise.)
3) Remove the propeller fan.
4) Disconnect the connector for fan motor
from the inverter.
5) Remove the fixing screws (4 pcs.) holding
by hands so that the fan motor does not
fall.
* Precautions when assembling the fan
motor
Tighten the flange nut using a tightening
torque of 3.3 lbf. ft (4.5 N•m).
– 109 –
Detail C
Propeller fan
Fan motor
Flange nut
FILE NO. SVM-13069
Remarks
No.
Part name
Procedure
‡
Compressor
1) Perform work of item 1 of  and ‚, ƒ, „,
….
2) Extract refrigerant gas.
3) Remove the partition board.
(screw 3 pcs.)
4) Remove the sound-insulation material.
5) Remove terminal cover of the compressor,
and disconnect lead wire of the compressor
from the terminal.
6) Remove pipe connected to the compressor
with a burner.
• Take care to keep the 4-way valve away
from naked flames. (Otherwise, it may
malfunction.)
7) Remove the fixing screw of the bottom plate
and heat exchanger.
8) Remove the fixing screw of the bottom plate
and valve fixing plate.
9) Pull upward the refrigeration cycle.
10) Remove NUT (3 pcs.) fixing the compressor to the bottom plate.
ˆ
Reactor
1) Perform work of item 1 of ‚, and ƒ.
2) Remove screws fixing the reactors.
(screw 5 pcs.)
– 110 –
FILE NO. SVM-13069
No.
Part name
‰
Electronic
expansion valve
coil
Procedure
1. Detachment
1) Perform step 1 in ‚, all the steps in ƒ
and 1 in ….
2) Remove the coil by pull it upward.
2. Attachment
1) Insert a valve coil to value body by push
it downward. And confirm to fix it surely.
Š
Wire guard
1. Detachment
1) Perform work of item 1 of ‚.
2) Remove the front cabinet, and put it down
so that wire guard side directs downward.
Perform work on a corrugated cardboard,
cloth, etc. to prevent flaw to the product.
3) Remove the guard stopper (4 pcs.) from hook
of wire guard.
4) Turn the front cabinet into opposite site then
pull wire guard up ward.
2. Attachment
1) Insert claws (2 positions) of the wire guard
in the holes of the front cabinet. Push the
hook (4 positions) by hands and fix by
guard stopper.
Check that all the claws & hooks are fixed
to the specified positions.
– 111 –
Remarks
FILE NO. SVM-13069
No.
11
Part name
Procedure
Remarks
TE sensor (outdoor heat exchanging temperature sensor)
• Attachment
Install the sensor onto the straight pipe part of the condenser
output pipe.
Detail C for 09EAV-UL
09EAV2-UL
12
Detail C for 12EAV-UL
12EAV2-UL
TS sensor (Suction pipe temperature sensor)
• Attachment
Install the senser onto the straight pipe part of the suction
pipe. Be careful for the lead direction of the sensor.
TD sensor
Detail A
13
TD sensor (Discharge pipe temperature sensor)
• Attachment
With its leads pointed upward, install the sensor onto the
vertical straight pipe part of the discharge pipe.
14
TO sensor (Outside air temperature sensor)
• Attachment
Insert the outdoor air temperature sensor into the holder, and
install the holder onto the heat exchanger.
TO sensor
CAUTION
During the installation work (and on its completion), take care not to damage the coverings of
the sensor leads on the edges of the metal plates or other parts. It is dangerous for these
coverings to be damaged since damage may cause electric shocks and/or a fire.
CAUTION
After replacing the parts, check whether the positions where the sensors were installed are the
proper positions as instructed. The product will not be controlled properly and trouble will result
if the sensors have not been installed in their proper positions.
– 112 –
FILE NO. SVM-13069
13. EXPLODED VIEWS AND PARTS LIST
13-1. Indoor Unit (E-Part)
Location
No.
Part
No.
Location
No.
Part
No.
401
43T50326
TEMPERATURE SENSOR
405
43T6V316
PC BOARD ASSY;WRS-LED
402
43T60401
TERMINAL BLOCK: 3P
406
43T69854
PC BOARD (RAS-09EKV-UL)
403
43T50325
TEMPERATURE SENSOR
406
43T6V440
PC BOARD (RAS-12EKV-UL)
404
43T62003
CORD CLAMP
Description
– 113 –
Description
FILE NO. SVM-13069-1
13-2. Indoor Unit
Location
No.
Part
No.
Location
No.
Part
No.
201
43T21442
STEPPING-MOTOR
215
43T39328
MOTOR BAND (LEFT)
202
43T21409
FAN-MOTOR (RAS-09EKV-UL)
216
43T39329
MOTOR BAND (RIGHT)
202
43T21421
FAN MOTOR (RAS-12EKV-UL)
217
43T09409
HORIZONTAL LOUVER
203
43T22312
BEARING ASSY, MOLD
218
43T79313
CAP, DRAIN
204
43T70313
HOSE, DRAIN
219
43T44446
REFRIGERANT CYCLE ASSEMBLY
205
43T20325
CROSS FLOW FAN ASSEMBLY
221
43T00488
PANEL SERVICE ASSEMBLY
206
43T11317
PIPE SHIELD
222
43T80327
FILTER-AIR-R
207
43T83003
HOLDER, REMOTE CONTROL
223
43T80328
FILTER-AIR-L
208
43T60382
MOTOR CORD
224
43T09491
GRILLE OF AIR INLET
209
43T82310
INSTALLATION PLATE
226
43T62328
TERMINAL COVER
211
43T19333
HOLDER, SENSOR
227
43T66308
REMOTE CONTROLLER
212
43T09408
PIPE HOLDER
229
43T82311
PARTITION CONDUIT
213
43T03378
BACK BODY ASSEMBLY
230
43T82312
MOUNT CONDUIT
214
43T39338
BEARING BASE
Description
– 114 –
Description
FILE NO. SVM-13069
13-3. Outdoor Unit (RAS-09,12EAV-UL)
Location
No.
Part
No.
Location
No.
Part
No.
1
43T00535
FRONT CABINET
17
43T63325
COIL PMV
2
43T00459
LEFT CABINET
18
43T58311
REACTOR (RAS-09EAV-UL)
3
43T42327
BASE PLATE ASSEMBLY
18
43T58306
REACTOR (RAS-12EAV-UL)
4
43T00452
UPPER CABINET
21
43T20319
PROPELLER FAN
5
43T19342
WIRE GUARD
22
43T21419
FAN-MOTOR
6
43T00540
PACKED VALVE COVER
23
43T47001
NUT FLANGE
8
43T41420
COMPRESSOR (RAS-09EAV-UL)
24
43T97001
NUT
8
43T41431
COMPRESSOR (RAS-12EAV-UL)
25
43T49335
RUBBER CUSHION
9
43T43446
CONDENSER ASSEMBLY
26
43T46359
4WAY VALVE
(RAS-09EAV-UL)
27
43T63324
4WAY VALVE COIL ASSEMBL
CONDENSER ASSEMBLY
28
43T63319
HOLDER,SENSOR
Description
Description
9
43T43447
(RAS-12EAV-UL)
30
43T39337
MOTOR BASE CONNECTION PLATE
10
43T46358
VALVE;PACKED 6.35 DIA
31
43T63318
HOLDER SENSOR
11
43T46366
VALVE;PACKED 9.52 DIA
32
43T63317
HOLDER,SENSOR
12
43T47331
BONNET, 6.35 DIA
33
43T63316
HOLDER,SENSOR
13
43T47332
BONNET, 9.52 DIA
34
43T19331
FIN GUARD
14
43T00539
FIXING PLATE VALVE
35
43T49338
FUSIBLE PLUG
15
43T00537
RIGHT CABINET ASSEMBLY
36
43T63330
PRESSURE SWITCH
16
43T46360
BODY PMV
– 115 –
FILE NO. SVM-13069
13-4. Outdoor Unit (RAS-09,12EAV2-UL)
Location
No.
Part
No.
Location
No.
Part
No.
1
43T00535
FRONT CABINET
17
43T63325
COIL PMV
2
43T00459
LEFT CABINET
18
43T58306
REACTOR (RAS-12EAV2-UL)
3
43T42353
BASE PLATE ASSEMBLY
18
43T58311
REACTOR (RAS-09EAV2-UL)
4
43T00452
UPPER CABINET
21
43T20319
PROPELLER FAN
5
43T19342
WIRE GUARD
22
43T21419
FAN-MOTOR
6
43T00540
PACKED VALVE COVER
23
43T47001
NUT FLANGE
8
43T41420
COMPRESSOR (RAS-09EAV2-UL)
24
43T97001
NUT
8
43T41431
COMPRESSOR (RAS-12AV2-UL)
25
43T49335
RUBBER CUSHION
9
43T43446
CONDENSER ASSEMBLY
26
43T46359
4WAY VALVE
(RAS-09EAV2-UL)
27
43T63324
4WAY VALVE COIL ASSEMBL
CONDENSER ASSEMBLY
28
43T63319
HOLDER,SENSOR
(RAS-12EAV2-UL)
30
43T39337
MOTOR BASE CONNECTION PLATE
9
43T43447
Description
Description
10
43T46358
VALVE;PACKED 6.35 DIA
31
43T63318
HOLDER SENSOR
11
43T46366
VALVE;PACKED 9.52 DIA
32
43T63317
HOLDER,SENSOR
12
43T47331
BONNET, 6.35 DIA
33
43T63316
HOLDER,SENSOR
13
43T47332
BONNET, 9.52 DIA
34
43T19331
FIN GUARD
14
43T00539
FIXING PLATE VALVE
35
43T49338
FUSIBLE PLUG
15
43T00537
RIGHT CABINET ASSEMBLY
36
43T63330
PRESSURE SWITCH
16
43T46360
BODY PMV
37
43T57302
HEATER CORD ASSEMBLY
– 116 –
FILE NO. SVM-13069
13-5. P.C. Board Layout (RAS-09,12EAV-UL)
Location
No.
Part
No.
Description
Location
No.
Part
No.
Description
701
43T62320
HEATSINK
705
43T50328
TEMPERATURE SENSOR
702
43T6V432
PC-BOARD (RAS-09EAV-UL)
707
43T62313
BASE-PLATE-PC
702
43T6V433
PC-BOARD (RAS-12EAV-UL)
708
43T50329
SENSOR,HEAT EXCHANGER
703
43T60404
TERMINAL-5P
709
43T50330
SENSOR,HEAT EXCHANGER
704
43T60403
FUSE
710
43T50331
SENSOR,HEAT EXCHANGER
– 117 –
FILE NO. SVM-13069
13-6. P.C. Board Layout (RAS-09,12EAV2-UL)
Location
No.
Part
No.
Location
No.
Part
No.
701
43T62320
HEATSINK
705
43T50328
TEMPERATURE SENSOR
702
43T6V434
PC-BOARD (RAS-09EAV2-UL)
707
43T62313
BASE-PLATE-PC
702
43T6V435
PC-BOARD (RAS-12EAV2-UL)
708
43T50329
SENSOR,HEAT EXCHANGER
703
43T60404
TERMINAL-5P
709
43T50330
SENSOR,HEAT EXCHANGER
704
43T60403
FUSE
710
43T50331
SENSOR,HEAT EXCHANGER
Description
– 118 –
Description
FILE NO. SVM-03005
TOSHIBA CARRIER (THAILAND) CO.,LTD.
144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI,
AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.
– 56 –
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
TCTC-E13-007-2
ENGINEERING DATA BOOK
INDOOR UNIT / OUTDOOR UNIT
RAS-09EKV-UL / RAS-09EAV2-UL
RAS-12EKV-UL / RAS-12EAV2-UL
RAS-15EKV-UL / RAS-15EAV2-UL
RAS-17EKV-UL / RAS-17EAV2-UL
RAS-22EKV-UL / RAS-22EAV2-UL
Nov, 2013 First Edition
TOSHIBA CARRIER (THAILAND) CO., LTD.
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Contents >>>
1) Product lineup
3
2) Specifications
4
3) Dimensions of Indoor and outdoor units
5
4) Application data
 Part load performance………………………….. 8
 Sensible capacity table…………………………. 13
 Refrigerant cycle diagram……………………… 16
 Air throw chart…………………………………...... 20
 Indoor and outdoor sound characteristic…… 25
 Performance characteristic…………………….. 35
 Wiring diagrams…………………………………… 40
 Standard wireless RC…………………………….. 43
 Optional wired connectable RC………………. 44
TOSHIBA CARRIER (THAILAND) CO., LTD.
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Product lineup
High wall
Size
9
12
15
17
22
Outdoor unit
Model name
RAS-09EAV2-UL RAS-12EAV2-UL RAS-15EAV2-UL RAS-17EAV2-UL RAS-22EAV2-UL ASM-OPTIONAL-RC
RAS-09EKV-UL
-
-
-
-
°F Display
(W H-TA14NE)
RAS-12EKV-UL
-
-
RAS-15EKV-UL
-
-
RAS-17EKV-UL
-
-
-
-
1111855001
-
-
or
-
-
°C Display
(W H-TA15NE)
RAS-22EKV-UL
-
-
TOSHIBA CARRIER (THAILAND) CO., LTD.
3/45
-
-
1111855002
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
System
Specifications
Size
Outdoor Model
Indoor Model
Cooling Rated Capacity
Btu/h
Performance
Cooling Range Capacity
9
12
15
17
22
RAS-09EAV2-UL
RAS-12EAV2-UL
RAS-15EAV2-UL
RAS-17EAV2-UL
RAS-22EAV2-UL
RAS-09EKV-UL
RAS-12EKV-UL
RAS-15EKV-UL
RAS-17EKV-UL
RAS-22EKV-UL
9000
12000
15000
16200
21400
3750 - 10580
2750 - 13950
2750 - 17050
3750 - 20450
4100 - 22500
8.30
EER
Btu/W.h
13.00
12.60
13.00
12.60
SEER
Btu/W.h
20
23
20
19
15.5
Heating Rated Capacity
Btu/h
10800
14200
18000
20200
23200
3070 - 16350
3070 - 19000
2750 - 21500
2750 - 21500
3450 - 24350
13.50
13.00
12.80
12.40
10.50
10
9.7
10
10
10
Standards
Standards
Standards
Standards
Standards
Optional
Optional
Optional
Optional
Optional
Heating Range Capacity
COP
Btu/W.h
HSPF
Controls Wireless (°C, °F, Convertible)
Wired (°C, °F, Convertible)
Electrical
Piping
Operating
Range
Cooling
Outdoor Min - Max DB
°F
0~115
0~115
0~115
0~115
0~115
Indoor Min - Max DB
°F
70~90
70~90
70~90
70~90
70~90
Heating
Outdoor Min - Max DB
°F
-4~75
-4~75
-4~75
-4~75
-4~75
Indoor Min - Max DB
°F
32~82
32~82
32~82
32~82
32~82
Min. Piping Length
ft (m)
6.6 (2)
6.6 (2)
6.6 (2)
6.6 (2)
6.6 (2)
Standard Piping Length
Max. Piping Length with no
additional refrigerant charge
Max. Piping Length
ft (m)
16 (5)
16 (5)
25 (7.5)
25 (7.5)
25 (7.5)
ft (m)
50 (15)
50 (15)
50 (15)
50 (15)
50 (15)
ft (m)
66 (20)
66 (20)
66 (20)
66 (20)
66 (20)
Gas Pipe (size/connection type)
in
3/8
3/8
1/2
1/2
1/2
Liquid Pipe (size/connection type)
in
1/4
1/4
1/4
1/4
1/4
Voltage
V-Ph-Hz
208/230-1-60
208/230-1-60
208/230-1-60
208/230-1-60
208/230-1-60
Cooling Power Consumption
W
690 (250 - 820)
950 (150 - 1250)
1150 (160 - 1720)
1285 (190 - 2010)
2570 (210 - 2720)
Heating Power Consumption
W
800 (170 - 1400)
1090 (160 - 1580)
1400 (143 - 1900)
1630 (150 - 1910)
2200 (190 - 2440)
A @208V
3.68 (1.50 - 4.15)
4.81 (1.03 - 6.26)
5.75 (1.04 - 8.40)
6.45 (1.23 - 9.90)
12.8 (1.38 - 13.40)
A @230V
3.33 (1.36 - 3.75)
4.35 (0.93 - 5.66)
5.20 (0.94 - 7.60)
5.80 (1.12 - 8.90)
11.5 (1.25 - 12.10)
A @208V
4.13 (1.02 - 6.86)
5.51 (1.10 - 7.75)
6.97 (1.07 - 9.80)
8.10 (1.00 - 9.40)
10.9 (1.26 - 12.00)
A @230V
3.74 (0.92 - 6.21)
4.99 (0.99 - 7.00)
6.30 (0.96 - 8.80)
7.30 (0.90 - 8.50)
9.9 (1.14 - 10.80)
Cooling Running Current
Heating Running Current
MCA
A
10
13
13
13
15
MOPA
A
15
20
20
20
25
Outdoor
Dimensions
Height
in (mm)
21-11/16 (550)
21-11/16 (550)
21-11/16 (550)
21-11/16 (550)
21-11/16 (550)
Width
in (mm)
30-11/16 (780)
30-11/16 (780)
30-11/16 (780)
30-11/16 (780)
30-11/16 (780)
Length
in (mm)
11-7/16 (290)
11-7/16 (290)
11-7/16 (290)
11-7/16 (290)
11-7/16 (290)
Weight -Gross/Net
lbs (kg)
88 (40)/82 (37)
95 (43)/88 (40)
98 (44) /91 (41)
98 (44) /91 (41)
100 (45) /93 (42)
Sound Pressure
dBa
47
50
51
52
53
Indoor
Dimensions
Width
in (mm)
10-25/32 (275)
10-25/32 (275)
12-19/32 (320)
12-19/32 (320)
12-19/32 (320)
Height
in (mm)
31-1/8 (790)
31-1/8 (790)
41-5/16 (1050)
41-5/16 (1050)
41-5/16 (1050)
Length
in (mm)
8-1/16 (205)
8-1/16 (205)
8-15/16 (228)
8-15/16 (228)
8-15/16 (228)
Weight -Gross/Net
lbs (kg)
25 (11)/20 (9)
25 (11)/20 (9)
35 (16)/29 (13)
35 (16)/29 (13)
35 (16)/29 (13)
Sound Pressure at Different Speeds (clg)
dBa
39/36/34/30/27
45/42/40/35/30
44/41/38/35/32
47/44/41/38/35
47/44/41/38/35
Sound Pressure at Different Speeds (htg)
dBa
40/37/35/32/29
46/43/41/36/32
44/41/39/35/32
47/44/42/38/35
47/44/42/38/35
Air flow (H/M/L) (clg)
CFM
303/244/177
406/304/219
562/445/346
636/505/388
636/505/388
Air flow (H/M/L) (htg)
CFM
335/272/211
438/353/247
583/505/374
646/572/420
646/572/420
* The specification may be subject to change without notice for purpose of improvement.
Rated conditions Cooling: Indoor air temperature 80°F DB / 67°F WB, Outdoor air temperature 95°F DB
Heating: Indoor air temperature 70°F DB, Outdoor air temperature 47°F DB/ 43°F WB
TOSHIBA CARRIER (THAILAND) CO., LTD.
4/45
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Dimensions of Indoor and outdoor units
Indoor units: RAS-09EKV-UL, RAS-12EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
5/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor units: RAS-15EKV-UL, RAS-17EKV-UL, RAS-22EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
6/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Outdoor units:
ENGINEERING
DATA BOOK
RAS-09EAV2-UL, RAS-12EAV2-UL, RAS-15EAV2-UL,
RAS-17EAV2-UL, RAS-22EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
7/45
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Part load performance
Single Split Type
Indoor:
Outdoor:
RAS-09EKV-UL
RAS-09EAV2-UL
Minimum
Rating
Cooling
OD temp.
(°F)
115
Q (Btu/h)
W
105
Q (Btu/h)
W
95
Q (Btu/h)
W
87
Q (Btu/h)
W
82
Q (Btu/h)
W
75
Q (Btu/h)
W
65
Q (Btu/h)
W
55
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
15
Q (Btu/h)
W
0
Q (Btu/h)
W
Heating
OD temp.
(°F)
75
Q (Btu/h)
W
68
Q (Btu/h)
W
62
Q (Btu/h)
W
55
Q (Btu/h)
W
47
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
17
Q (Btu/h)
W
5
Q (Btu/h)
W
0
Q (Btu/h)
W
-4
Q (Btu/h)
W
Cooling
Heating
Q (Btu/h)
W
Q (Btu/h)
W
3750
250
3070
170
9000
690
10800
800
100
7730
799
8365
744
9000
690
9520
646
9809
621
10271
581
10906
527
11541
472
12234
413
12869
359
13505
304
14140
250
15122
166
90
6957
711
7528
663
8100
615
8568
575
8828
553
9243
518
9815
469
10387
421
11011
368
11582
319
12154
271
12726
223
13609
148
80
6184
624
6692
582
7200
539
7616
504
7847
485
8216
454
8725
412
9233
369
9787
323
10295
280
10804
238
11312
195
12097
130
70
5411
537
5855
500
6300
464
6664
434
6866
417
7189
391
7634
354
8079
317
8564
278
9008
241
9453
204
9898
168
10585
111
Load (%)
60
50
4638
3865
450
362
5019
4182
419
338
5400
4500
388
313
5712
4760
363
293
5885
4904
349
281
6162
5135
327
264
6543
5453
296
239
6925
5771
266
214
7340
6117
232
187
7722
6435
202
163
8103
6752
171
138
8484
7070
141
113
9073
7561
93
75
40
3221
289
3485
270
3750
250
3967
234
4087
225
4279
211
4544
191
4809
171
5098
150
5362
130
5627
110
5892
91
6301
60
30
3221
289
3485
270
3750
250
3967
234
4087
225
4279
211
4544
191
4809
171
5098
150
5362
130
5627
110
5892
91
6301
60
20
3221
289
3485
270
3750
250
3967
234
4087
225
4279
211
4544
191
4809
171
5098
150
5362
130
5627
110
5892
91
6301
60
10
3221
289
3485
270
3750
250
3967
234
4087
225
4279
211
4544
191
4809
171
5098
150
5362
130
5627
110
5892
91
6301
60
100
15120
992
14061
945
13085
902
12110
858
10800
800
10438
784
7595
691
6890
638
6313
596
4306
511
3470
474
2913
449
90
13608
883
12655
841
11777
803
10899
764
9720
712
9394
698
6836
615
6201
568
5682
530
3875
455
3123
422
2622
400
80
12096
774
11249
737
10468
704
9688
669
8640
624
8350
611
6076
539
5512
498
5050
465
3445
399
2776
370
2330
350
70
10584
665
9843
633
9160
604
8477
575
7560
536
7307
525
5317
463
4823
427
4419
399
3014
342
2429
318
2039
301
Load (%)
60
50
9072
7560
555
446
8437
7031
529
425
7851
6543
505
406
7266
6055
480
386
6480
5400
448
360
6263
5219
439
353
4557
3798
387
311
4134
3445
357
287
3788
3157
334
268
2584
2153
286
230
2082
1735
265
213
1748
1457
251
202
40
6048
337
5624
321
5234
307
4844
292
4320
272
4175
266
3038
235
2756
217
2525
203
1722
174
1388
161
1165
153
30
4536
228
4218
217
3926
207
3633
197
3240
184
3131
180
2279
159
2067
147
1894
137
1292
117
1041
109
874
103
20
4298
211
3997
201
3720
192
3442
182
3070
170
2967
167
2159
147
1959
136
1795
127
1224
109
986
101
828
95
10
4298
211
3997
201
3720
192
3442
182
3070
170
2967
167
2159
147
1959
136
1795
127
1224
109
986
101
828
95
TOSHIBA CARRIER (THAILAND) CO., LTD.
8/45
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Part load performance
Single Split Type
Indoor:
Outdoor:
RAS-12EKV-UL
RAS-12EAV2-UL
Minimum
Rating
Cooling
OD temp.
(°F)
115
Q (Btu/h)
W
105
Q (Btu/h)
W
95
Q (Btu/h)
W
87
Q (Btu/h)
W
82
Q (Btu/h)
W
75
Q (Btu/h)
W
65
Q (Btu/h)
W
55
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
15
Q (Btu/h)
W
0
Q (Btu/h)
W
Heating
OD temp.
(°F)
75
Q (Btu/h)
W
68
Q (Btu/h)
W
62
Q (Btu/h)
W
55
Q (Btu/h)
W
47
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
17
Q (Btu/h)
W
5
Q (Btu/h)
W
0
Q (Btu/h)
W
-4
Q (Btu/h)
W
Cooling
Heating
Q (Btu/h)
W
Q (Btu/h)
W
2750
150
3070
160
12000
950
14200
1090
100
10306
1100
11153
1025
12000
950
12693
889
13078
855
13694
800
14541
725
15388
650
16312
569
17159
494
18006
419
18853
344
20162
228
90
9275
980
10038
913
10800
846
11424
792
11770
761
12325
713
13087
646
13849
579
14681
507
15443
440
16205
373
16968
306
18146
203
80
8245
859
8922
801
9600
742
10154
695
10462
668
10955
625
11633
567
12310
508
13050
444
13727
386
14405
327
15082
269
16130
178
70
7214
739
7807
689
8400
639
8885
597
9155
575
9586
538
10179
488
10772
437
11418
382
12011
332
12604
282
13197
231
14113
153
Load (%)
60
50
6184
5153
619
499
6692
5577
577
465
7200
6000
535
431
7616
6347
500
403
7847
6539
481
388
8216
6847
451
363
8725
7271
408
329
9233
7694
366
295
9787
8156
320
258
10295
8580
278
224
10804
9003
236
190
11312
9427
194
156
12097
10081
129
104
40
4122
379
4461
353
4800
327
5077
306
5231
294
5478
276
5816
250
6155
224
6525
196
6864
170
7202
144
7541
119
8065
79
30
3092
259
3346
241
3600
224
3808
209
3923
201
4108
188
4362
171
4616
153
4894
134
5148
116
5402
99
5656
81
6049
54
20
2362
174
2556
162
2750
150
2909
140
2997
135
3138
126
3332
115
3526
103
3738
90
3932
78
4126
66
4320
54
4620
36
10
2362
174
2556
162
2750
150
2909
140
2997
135
3138
126
3332
115
3526
103
3738
90
3932
78
4126
66
4320
54
4620
36
100
19980
1352
18487
1287
17205
1228
15922
1169
14200
1090
13724
1068
9986
941
9059
870
8301
812
5662
697
4562
646
3829
612
90
17892
1205
16638
1147
15485
1094
14330
1042
12780
971
12352
952
8987
839
8153
775
7471
724
5096
621
4106
576
3446
545
80
15904
1058
14790
1007
13764
961
12738
914
11360
853
10979
835
7989
736
7247
681
6641
635
4530
545
3650
505
3063
479
70
13916
910
12941
867
12044
827
11145
787
9940
734
9607
719
6990
634
6341
586
5811
547
3963
469
3193
435
2680
412
Load (%)
60
50
11928
9940
763
616
11092
9244
727
587
10323
8603
693
560
9553
7961
660
533
8520
7100
615
497
8234
6862
603
487
5992
4993
531
429
5435
4530
491
396
4981
4151
458
370
3397
2831
394
318
2737
2281
365
294
2297
1915
346
279
40
7952
469
7395
446
6882
426
6369
405
5680
378
5490
370
3994
326
3624
302
3320
282
2265
242
1825
224
1532
212
30
5964
322
5546
306
5162
292
4777
278
4260
259
4117
254
2996
224
2718
207
2490
193
1699
166
1369
154
1149
146
20
4298
198
3997
189
3720
180
342
172
3070
160
2967
157
2159
138
1959
128
1795
119
1224
102
986
95
828
90
10
4298
198
3997
189
3720
180
342
172
3070
160
2967
157
2159
138
1959
128
1795
119
1224
102
986
95
828
90
TOSHIBA CARRIER (THAILAND) CO., LTD.
9/45
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Part load performance
Single Split Type
Indoor:
Outdoor:
RAS-15EKV-UL
RAS-15EAV2-UL
Minimum
Rating
Cooling
OD temp.
(°F)
115
Q (Btu/h)
W
105
Q (Btu/h)
W
95
Q (Btu/h)
W
87
Q (Btu/h)
W
82
Q (Btu/h)
W
75
Q (Btu/h)
W
65
Q (Btu/h)
W
55
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
15
Q (Btu/h)
W
0
Q (Btu/h)
W
Heating
OD temp.
(°F)
75
Q (Btu/h)
W
68
Q (Btu/h)
W
62
Q (Btu/h)
W
55
Q (Btu/h)
W
47
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
17
Q (Btu/h)
W
5
Q (Btu/h)
W
0
Q (Btu/h)
W
-4
Q (Btu/h)
W
Cooling
Heating
Q (Btu/h)
W
Q (Btu/h)
W
2750
160
2750
143
15000
1150
18000
1400
100
12883
1331
13941
1241
15000
1150
15866
1076
16348
1035
17118
969
18176
878
19235
787
20390
688
21449
598
22508
507
23566
416
25203
276
90
11594
1191
12547
1110
13500
1029
14280
962
14713
926
15406
867
16359
785
17312
704
18351
616
19304
535
20257
454
21210
373
22682
247
80
10306
1051
11153
979
12000
908
12693
849
13078
816
13694
764
14541
693
15388
621
16312
543
17159
472
18006
400
18853
329
20162
218
70
9018
910
9759
848
10500
786
11106
736
11443
707
11982
662
12723
600
13465
538
14273
471
15014
409
15755
347
16496
285
17642
189
Load (%)
60
50
7730
6441
770
630
8365
6971
718
587
9000
7500
665
544
9520
7933
622
509
9809
8174
598
489
10271
8559
560
458
10906
9088
508
415
11541
9618
455
372
12234
10195
398
326
12869
10724
346
283
13505
11254
293
240
14140
11783
241
197
15122
12601
160
131
40
5153
489
5577
456
6000
423
6347
395
6539
380
6847
356
7271
323
7694
289
8156
253
8580
220
9003
186
9427
153
10081
102
30
3865
349
4182
325
4500
301
4760
282
4904
271
5135
254
5453
230
5771
206
6117
180
6435
157
6752
133
7070
109
7561
72
20
2577
209
2788
194
3000
180
3173
169
3270
162
3424
152
3635
138
3847
123
4078
108
4290
94
4502
79
4713
65
5041
43
10
2362
185
2556
173
2750
160
2909
150
2997
144
3138
135
3332
122
3526
110
3738
96
3932
83
4126
71
4320
58
4620
38
100
25200
1736
23435
1654
21805
1578
20183
1502
18000
1400
17396
1372
12659
1209
11484
1117
10522
102
7177
895
5783
830
4854
787
90
22680
1552
21092
1479
19625
1411
18165
1343
16200
1252
15656
1227
11393
1081
10336
999
9470
932
6459
800
5205
742
4369
704
80
20160
1368
1874
1303
17444
1244
16146
1184
14400
1103
13917
1081
10127
953
9187
880
8418
821
5742
705
4626
654
3883
620
70
17640
1184
16405
1128
15264
1076
14128
1024
12600
955
12177
936
8861
825
8035
762
7365
711
5024
610
4048
566
3398
537
Load (%)
60
50
15120
12600
1000
816
14061
11718
953
778
13083
10903
909
724
12110
10092
865
706
10800
9000
807
658
10438
8698
790
645
7595
6330
696
568
6890
5742
643
525
6313
5261
600
490
4306
3580
516
421
3470
2892
478
390
2912
2427
453
370
40
10080
632
9374
602
8722
575
8073
547
7200
510
6958
500
5064
440
4594
407
4209
379
2871
326
2313
302
1942
287
30
7560
448
7031
427
6542
407
6055
388
5400
361
5219
354
3798
312
3445
288
3157
269
2153
231
1735
214
1453
203
20
500
264
4687
252
4361
240
4037
229
3600
213
3479
209
2532
184
2297
170
2104
159
1435
136
1157
126
971
120
10
3850
177
3580
169
3331
161
3084
153
2750
143
2658
140
1934
123
1755
114
1608
106
1096
91
884
85
742
80
TOSHIBA CARRIER (THAILAND) CO., LTD.
10/45
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Part load performance
Single Split Type
Indoor:
Outdoor:
RAS-17EKV-UL
RAS-17EAV2-UL
Minimum
Rating
Cooling
OD temp.
(°F)
115
Q (Btu/h)
W
105
Q (Btu/h)
W
95
Q (Btu/h)
W
87
Q (Btu/h)
W
82
Q (Btu/h)
W
75
Q (Btu/h)
W
65
Q (Btu/h)
W
55
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
15
Q (Btu/h)
W
0
Q (Btu/h)
W
Heating
OD temp.
(°F)
75
Q (Btu/h)
W
68
Q (Btu/h)
W
62
Q (Btu/h)
W
55
Q (Btu/h)
W
47
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
17
Q (Btu/h)
W
5
Q (Btu/h)
W
0
Q (Btu/h)
W
-4
Q (Btu/h)
W
Cooling
Heating
Q (Btu/h)
W
Q (Btu/h)
W
3750
190
2750
150
16200
1285
20200
1630
Load (%)
60
50
100
13913
1488
15057
1386
16200
1285
17136
1202
17655
1156
18487
1082
19630
981
20774
880
22021
769
23165
668
24308
567
25452
465
27219
309
90
12522
1323
13551
1233
14580
1143
15422
1069
15890
1028
16638
962
17667
872
18696
782
19819
684
20848
594
21877
504
22906
414
24497
275
80
11130
1158
12045
1079
12960
1000
13708
936
14124
900
14790
842
15704
764
16619
685
17617
599
18532
520
19446
441
20361
362
21775
240
70
9739
8348
6957
5565
993
10540
925
11340
858
11995
802
12359
772
12941
722
13741
655
14542
587
15415
513
16215
446
17016
378
17816
311
19053
206
828
9034
771
9720
715
10281
669
10593
643
11092
602
11778
546
12464
490
13213
428
13899
372
14585
315
15271
259
16331
172
663
7528
618
8100
573
8568
536
8828
515
9243
482
9815
437
10387
392
11011
343
11582
298
12154
253
12726
207
13609
138
100
28280
2021
26299
1925
24475
1837
22650
1749
20200
1630
19522
1597
14206
1408
12887
1301
11808
1214
8054
1042
6490
966
5447
916
90
25452
1809
23669
1723
22028
1644
20385
1565
18180
1459
17570
1429
12785
1260
11598
1164
10627
1086
7249
932
5841
864
4902
820
80
22624
1596
21039
1520
19580
1451
18120
1381
16160
1287
15618
1261
11365
1112
10310
1028
9446
959
6443
823
5192
763
4358
723
70
19796
1384
18409
1318
17133
1258
15855
1198
14140
1116
13665
1093
9944
964
9021
891
8266
831
5638
713
4543
661
3813
627
Load (%)
60
50
16968
14140
1171
959
15779
13150
1116
913
14685
12238
1065
872
13590
11325
1014
830
12120
10100
945
773
11713
9761
926
758
8524
7103
816
668
7732
6444
754
617
7085
5904
704
576
4832
4027
604
494
3894
3245
560
458
3268
2724
531
435
TOSHIBA CARRIER (THAILAND) CO., LTD.
11/45
40
498
6023
464
6480
430
6854
402
7062
387
7395
362
7852
328
8310
294
8808
257
9266
224
9723
190
10181
156
10887
103
30
4174
333
4517
310
4860
288
5141
269
5297
259
5546
242
5889
220
6232
197
6606
172
6949
150
7292
127
7635
104
8166
69
20
3221
220
3485
205
3750
190
3967
178
4087
171
4279
160
4544
145
4809
130
5098
114
5362
99
5627
84
5892
69
6301
46
10
3221
220
3485
205
3750
190
3967
178
4087
171
4279
160
4544
145
4809
130
5098
114
5362
99
5627
84
5892
69
6301
46
40
11312
746
10520
711
9790
679
9060
646
8080
602
7809
590
5682
520
5155
481
4723
448
3222
385
2596
357
2179
338
30
8484
534
7890
509
7343
485
6795
462
6060
431
5857
422
4262
372
3866
344
3542
321
2416
275
1947
255
1634
242
20
5656
322
5260
306
4895
292
4530
278
4040
259
3904
254
2841
224
2577
207
2362
193
1611
166
1298
154
1089
146
10
3850
186
3580
177
3332
169
3084
161
2750
150
2658
147
1934
130
1754
120
1608
112
1096
96
884
89
742
84
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Part load performance
Single Split Type
Indoor:
Outdoor:
RAS-22EKV-UL
RAS-22EAV2-UL
Minimum
Rating
Cooling
OD temp.
(°F)
115
Q (Btu/h)
W
105
Q (Btu/h)
W
95
Q (Btu/h)
W
87
Q (Btu/h)
W
82
Q (Btu/h)
W
75
Q (Btu/h)
W
65
Q (Btu/h)
W
55
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
15
Q (Btu/h)
W
0
Q (Btu/h)
W
Heating
OD temp.
(°F)
75
Q (Btu/h)
W
68
Q (Btu/h)
W
62
Q (Btu/h)
W
55
Q (Btu/h)
W
47
Q (Btu/h)
W
45
Q (Btu/h)
W
35
Q (Btu/h)
W
25
Q (Btu/h)
W
17
Q (Btu/h)
W
5
Q (Btu/h)
W
0
Q (Btu/h)
W
-4
Q (Btu/h)
W
Cooling
Heating
Q (Btu/h)
W
Q (Btu/h)
W
4100
210
3450
190
21400
2570
23200
2200
100
10549
1908
17227
2409
21400
2570
22636
2404
23322
2312
24421
2165
25931
1962
27442
1760
29090
1539
30600
1336
32111
1133
33621
931
35956
618
90
9494
1691
15504
2136
19260
2278
20372
2131
20990
2050
21979
1919
23338
1739
24698
1560
26181
1364
27540
1184
28900
1005
30259
825
32360
547
80
8439
1474
13781
1862
17120
1986
18109
1858
18658
1787
19537
1673
20745
1516
21954
1360
23272
1189
24480
1032
25689
876
26897
719
28764
477
70
7384
1257
12059
1588
14980
1694
15845
1585
16326
1524
17095
1427
18152
1294
19209
1160
20363
1014
21420
881
22477
747
23535
614
25169
407
Load (%)
60
50
6330
5275
1041
824
10336
8613
1315
1041
12840
10700
1402
1110
13582
11318
1312
1039
13993
11661
1262
999
14653
12210
1181
935
15559
12966
1071
848
16465
13721
960
760
17454
14545
839
665
18360
15300
729
577
19266
16055
618
490
20173
16811
508
402
21573
17978
337
267
40
4220
607
6891
767
8560
818
9054
766
9329
736
9768
689
10373
625
10977
560
11636
490
12240
425
12844
361
13448
296
14382
197
30
3165
391
5168
494
6420
526
6791
493
6997
474
7326
443
7779
402
8233
360
8727
315
9180
274
9633
232
10086
191
10787
127
20
2110
174
3445
220
4280
235
4527
219
4664
211
4884
198
5186
179
5488
161
5818
140
6120
122
6422
103
6724
85
7191
56
10
2021
156
3300
197
4100
210
4337
196
4468
189
4679
177
4968
160
5258
144
5573
126
5863
109
6152
93
6441
76
6889
50
100
32480
2728
30205
2599
28109
2479
26014
2360
23200
2200
22422
2156
16316
1900
14801
1756
13562
1638
9250
1406
7454
1304
6257
1236
90
29232
2435
27185
2320
25298
2213
23413
2107
20880
1964
20180
1925
14684
1696
13321
1568
12206
1462
8325
1255
6709
1164
5631
1103
80
25984
2142
24164
2041
22487
1947
20811
1853
18560
1728
17938
1693
13053
1492
11841
1379
10850
1286
7400
1104
5963
1024
5006
971
70
22736
1850
2114
1762
19676
1681
18210
1600
16240
1492
15695
1462
11421
1288
10361
1191
9493
1111
6475
953
5218
884
4380
838
Load (%)
60
50
19488
16240
1557
1264
18123
15103
1483
1204
16865
14055
1415
1149
15608
13007
1347
1094
13920
11600
1256
1019
13453
11211
1230
999
9790
8158
1084
880
8881
7401
1002
814
8137
6781
935
759
5550
4625
802
652
4472
3727
744
604
3754
3129
705
573
40
12992
971
12082
925
11244
883
10406
840
9280
783
8969
768
6526
677
5920
625
5425
583
3700
501
2982
464
2503
440
30
9744
679
9062
646
8433
617
7804
587
6960
547
6727
536
4895
473
4440
437
4069
407
2775
350
2236
324
1877
307
20
6496
386
6041
368
5622
351
5203
334
4640
311
4484
305
3263
269
2960
248
2712
232
1850
199
1491
184
1251
175
10
4830
236
4492
224
4180
214
3868
204
3450
190
3334
186
2426
164
2201
152
2017
141
1376
121
1108
113
930
107
TOSHIBA CARRIER (THAILAND) CO., LTD.
12/45
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Sensible capacity table
Trend of Total & Sensible Heat Capacity / Indoor Air & Outdoor Air Temperature.
Product models:
Outdoor
coil air temp.
°F DB
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
82
85
87
90
95
100
105
110
115
68.0°F DB
57.0°F WB
TC
SHC
12421
10402
12136
10164
11852
9925
11614
9727
11330
9488
11093
9290
10808
9051
10571
8853
10286
8614
10049
8416
9764
8177
9480
7939
9243
7740
8958
7502
8721
7303
8436
7065
8199
6866
8057
6747
7914
6628
7820
6549
7677
6429
7393
6191
7108
5953
6871
5754
6586
5516
6349
5317
RAS-09EKV-UL / RAS-09EAV2-UL
Standard condition
Specification of product at standard condition.
Indoor
Outdoor
Total Cooling Capacity (TC)
Sensible Heat Capacity (SHC)
Air flow volume
80.0°F DB / 67.0°F WB
95.0°F DB / 75.0°F WB
73.0°F DB
61.0°F WB
TC
SHC
13717
11079
13402
10825
13088
10571
12826
10359
12512
10105
12250
9894
11936
9640
11674
9428
11359
9175
11097
8963
10783
8709
10469
8455
10207
8244
9893
7990
9631
7778
9316
7525
9054
7313
8897
7186
8740
7059
8635
6974
8478
6848
8164
6594
7850
6340
7588
6128
7273
5874
7011
5663
75.0°F DB
63.0°F WB
TC
SHC
14042
11313
13720
11054
13398
10795
13130
10579
12808
10319
12540
10103
12219
9844
11950
9628
11629
9369
11360
9153
11039
8894
10717
8634
10449
8418
10127
8159
9859
7943
9537
7684
9269
7468
9108
7338
8947
7209
8840
7122
8679
6993
8357
6733
8036
6474
7768
6258
7446
5999
7178
5783
Indoor coil air temperature
79.0°F DB
80.0°F DB
64.0°F WB
67.0°F WB
TC
SHC
TC
SHC
14689
11776
15122
11744
14352
11506
14775
11475
14016
11236
14429
11206
13735
11011
14140
10982
13399
10741
13793
10713
13118
10516
13505
10488
12782
10247
13158
10219
12501
10022
12869
9995
12165
9752
12523
9726
11884
9527
12234
9502
11548
9257
11888
9233
11211
8987
11541
8964
10930
8763
11252
8739
10594
8493
10906
8470
10313
8268
10617
8246
9977
7998
10271
7977
9696
7773
9982
7752
9528
7638
9809
7618
9360
7503
9635
7483
9247
7413
9520
7394
9079
7278
9347
7259
8743
7009
9000
6990
8406
6739
8654
6721
8126
6514
8365
6497
7789
6244
8018
6228
7508
6019
7730
6003
9000 Btu/h
6990 Btu/h
303 CFM
82.0°F DB
68.0°F WB
TC
SHC
15554
11727
15198
11458
14841
11190
14544
10966
14188
10696
13891
10473
13534
10204
13237
9980
12881
9712
12584
9488
12227
9219
11871
8950
11574
8726
11218
8458
10921
8234
10564
7965
10267
7741
10089
7607
9911
7472
9792
7383
9614
7248
9257
6980
8901
6711
8604
6487
8248
6218
7951
5994
86.0°F DB
72.0°F WB
TC
SHC
16472
11594
16094
11328
15717
11063
15402
10841
15025
10576
14710
10354
14333
10089
14018
9867
13641
9601
13326
9380
12949
9114
12572
8849
12257
8627
11880
8362
11565
8140
11188
7875
10873
7653
10684
7520
10496
7388
10370
7299
10181
7166
9804
6900
9426
6635
9112
6413
8734
6148
8420
5926
90.0°F DB
75.0°F WB
TC
SHC
17228
11346
16833
11086
16438
10826
16109
10609
15715
10349
15386
10132
14991
9873
14662
9656
14267
9396
13938
9179
13543
8919
13149
8659
12820
8443
12425
8183
12096
7966
11701
7706
11372
7489
11175
7359
10977
7229
10846
7143
10648
7013
10254
6753
9859
6493
9530
6276
9135
6016
8806
5799
Trend of Total & Sensible Heat Capacity / Indoor Air & Outdoor Air Temperature.
Product models:
Outdoor
coil air temp.
°F DB
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
82
85
87
90
95
100
105
110
115
68.0°F DB
57.0°F WB
TC
SHC
16561
13726
16182
13411
15802
13097
15486
12835
15106
12520
14790
12258
14411
11944
14094
11681
13715
11367
13399
11105
13019
10790
12640
10426
12323
10214
11944
9899
11628
9637
11248
9323
10932
9060
10742
8903
10553
8746
10426
8641
10236
8484
9857
8169
9477
7855
9161
7593
8782
7278
8465
7016
RAS-12EKV-UL / RAS-12EAV2-UL
Standard condition
Specification of product at standard condition.
Indoor
Outdoor
Total Cooling Capacity (TC)
Sensible Heat Capacity (SHC)
Air flow volume
80.0°F DB / 67.0°F WB
95.0°F DB / 75.0°F WB
73.0°F DB
61.0°F WB
TC
SHC
18289
14613
17870
14278
17451
13943
17102
13664
16682
13329
16333
13050
15914
12715
15565
12436
15146
12102
14797
11822
14378
11488
13958
11153
13609
10874
13190
10539
12841
10260
12422
9925
12073
9646
11863
9479
11654
9311
11514
9200
11304
9032
10885
8697
10466
8362
10117
8083
9698
7749
9349
7470
75.0°F DB
63.0°F WB
TC
SHC
18722
14922
18293
14580
17864
14238
17507
13953
17078
13611
16720
13326
16291
12984
15934
12699
15505
12357
15147
12072
14718
11730
14289
11389
13932
11104
13503
10762
13145
10477
12716
10135
12359
9850
12144
9679
11930
9508
11787
9394
11572
9223
11143
8881
10714
8539
10357
8254
9928
7912
9570
7627
Indoor coil air temperature
79.0°F DB
80.0°F DB
64.0°F WB
67.0°F WB
TC
SHC
TC
SHC
19585
15531
20162
15484
19137
15175
19700
15130
18688
14819
19238
14775
18314
14523
18853
14479
17865
14167
18391
14124
17491
13870
18006
13829
17042
13514
17544
13474
16668
13218
17159
13178
16219
12862
16697
12823
15845
12565
16312
12528
15397
12210
15850
12173
14948
11854
15388
11818
14574
11557
15003
11522
14125
11201
14541
11167
13751
10905
14156
10872
13302
10549
13694
10517
12928
10252
13309
10221
12704
10074
13078
10044
12480
9896
12847
9866
12330
9778
12693
9748
12106
9600
12462
9571
11657
9244
12000
9216
11208
8888
11538
8861
10834
8591
11153
8566
10385
8235
10691
8211
10011
7939
10306
7915
TOSHIBA CARRIER (THAILAND) CO., LTD.
13/45
12000 Btu/h
9216 Btu/h
406 CFM
82.0°F DB
68.0°F WB
TC
SHC
20739
15457
20263
15102
19788
14748
19392
14453
18917
14099
18521
13804
18046
13450
17650
13154
17175
12800
16779
12505
16303
12151
15828
11797
15432
11502
14957
11147
14561
10852
14086
10498
13690
10203
13452
10026
13214
9849
13056
9731
12818
9554
12343
9199
11868
8845
11472
8550
10997
8196
10601
7901
86.0°F DB
72.0°F WB
TC
SHC
21962
15268
21459
14918
20956
14569
20537
14277
20033
13927
19614
13636
19111
13286
18691
12994
18188
12644
17769
12353
17265
12003
16762
11653
16343
11361
15840
11012
15420
10720
14917
10370
14497
10079
14246
9904
13994
9729
13826
9612
13575
9437
13072
9087
12568
8738
12149
8446
11646
8096
11226
7805
90.0°F DB
75.0°F WB
TC
SHC
22971
14929
22444
14586
21918
14244
21479
13959
20953
13617
20514
13332
19988
12990
19549
12705
19023
12363
18584
12078
18058
11736
17532
11394
17093
11109
16567
10767
16128
10482
15602
10139
15163
9854
14900
9683
14637
9512
14461
9398
14198
9227
13672
8885
13145
8543
12707
8258
12180
7916
11742
7631
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Sensible capacity table
Trend of Total & Sensible Heat Capacity / Indoor Air & Outdoor Air Temperature.
Product models:
Outdoor
coil air temp.
°F DB
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
82
85
87
90
95
100
105
110
115
68.0°F DB
57.0°F WB
TC
SHC
20701
18524
20227
18099
19753
17675
19357
17321
18883
16896
18488
16543
18013
16118
17618
15765
17144
15340
16748
14986
16274
14562
15800
14138
15404
13784
14930
13359
14535
13006
14060
12581
13665
12227
13428
12015
13191
11803
13033
11662
12795
11449
12321
11025
11847
10600
11451
10247
10927
9822
10582
9468
RAS-15EKV-UL / RAS-15EAV2-UL
Standard condition
Specification of product at standard condition.
Indoor
Outdoor
Total Cooling Capacity (TC)
Sensible Heat Capacity (SHC)
Air flow volume
80.0°F DB / 67.0°F WB
95.0°F DB / 75.0°F WB
73.0°F DB
61.0°F WB
TC
SHC
22861
19775
22337
19322
21813
18869
21377
18491
20853
18038
20417
17660
19893
17207
19456
16830
18932
16376
18496
15999
17972
15546
17448
15093
17012
14715
16488
14262
16051
13884
15527
13431
15091
13053
14829
12827
14567
12600
14392
12449
14130
12223
13607
11770
13083
11316
12646
10939
12122
10486
11686
10108
75.0°F DB
63.0°F WB
TC
SHC
23403
20197
22867
19734
22331
19271
21884
18886
21347
18423
20900
18037
20364
17574
19917
17189
19381
16726
18934
16340
18398
15877
17862
15415
17415
15029
16878
14566
16432
14180
15895
13718
15448
13332
15180
13101
14912
12869
14733
12715
14465
12484
13929
12021
13393
11558
12946
11172
12410
10709
11963
10324
Indoor coil air temperature
79.0°F DB
80.0°F DB
64.0°F WB
67.0°F WB
TC
SHC
TC
SHC
24482
21030
25203
21019
23921
20548
24625
20537
23360
20066
24048
20056
22892
19664
23566
19654
22331
19183
22989
19173
21864
18781
22508
18771
21303
18299
21930
18290
20835
17898
21449
17888
20274
17416
20871
17407
19807
17014
20390
17005
19246
16532
19813
16524
18685
16050
19235
16042
18217
15649
18754
15641
17656
15167
18176
15159
17189
14765
17695
14758
16628
14283
17118
14276
16160
13882
16636
13875
15880
13641
16348
13634
15599
13400
16059
13393
15412
13239
15866
13232
15132
12998
15578
12992
14571
12516
15000
12510
14010
12035
14423
12028
13543
11633
13941
11627
12982
11151
13364
11145
12514
10750
12883
10744
15000 Btu/h
12510 Btu/h
562 CFM
82.0°F DB
68.0°F WB
TC
SHC
25923
21032
25329
20550
24735
20068
24240
19666
23646
19184
23151
18783
22557
18301
22062
17899
21468
17417
20973
17017
20379
16534
19785
16052
19290
15650
18696
15168
18201
14767
17607
14285
17112
13883
16815
13642
16518
13401
16320
13240
16023
12999
15429
12518
14835
12036
14340
11634
13746
11152
13251
10750
86.0°F DB
72.0°F WB
TC
SHC
27453
20897
26824
20418
26195
19940
25671
19541
25042
19062
24517
18663
23888
18184
23364
17785
22735
17306
22211
16907
21582
16428
20953
15949
20428
15550
19799
15071
19275
14672
18646
14193
18122
13794
17807
13555
17493
13316
17283
13156
16969
12916
16340
12438
15710
11959
15186
11560
14557
11081
14033
10682
90.0°F DB
75.0°F WB
TC
SHC
28713
20556
28055
20085
27397
19614
26849
19221
26191
18750
25643
18358
24985
17887
24437
17494
23779
17023
23230
16631
22572
16160
21914
15689
21366
15296
20708
14825
20160
14432
19502
13961
18954
13569
18625
13333
18296
13098
18076
12941
17747
12705
17090
12234
16432
11763
15883
11371
15225
10900
14677
10507
Trend of Total & Sensible Heat Capacity / Indoor Air & Outdoor Air Temperature.
Product models:
Outdoor
coil air temp.
°F DB
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
82
85
87
90
95
100
105
110
115
68.0°F DB
57.0°F WB
TC
SHC
22357
20101
21845
19640
21333
19180
20906
18796
20394
18335
19967
17951
19454
17491
19027
17107
18515
16646
18088
16263
17576
15802
17064
15341
16637
14958
16124
14497
15697
14113
15185
13653
14758
13269
14502
13038
14246
12808
14075
12655
13819
12424
13307
11964
12794
11503
12367
11119
11855
10659
11428
10275
RAS-17EKV-UL / RAS-17EAV2-UL
Standard condition
Specification of product at standard condition.
Indoor
Outdoor
Total Cooling Capacity (TC)
Sensible Heat Capacity (SHC)
Air flow volume
80.0°F DB / 67.0°F WB
95.0°F DB / 75.0°F WB
73.0°F DB
61.0°F WB
TC
SHC
24690
21462
24124
20971
23559
20479
23087
20069
22521
19577
22050
19167
21484
18676
21013
18266
20447
17774
19975
17364
19410
16872
18844
16380
18372
15971
17807
15479
17335
15069
16769
14577
16298
14167
16015
13921
15732
13676
15544
13512
15261
13266
14695
12774
14129
12282
13658
11872
13092
11381
12621
10971
75.0°F DB
63.0°F WB
TC
SHC
25275
21921
24696
21418
24117
20916
23634
20497
23055
19995
22573
19576
21993
19074
21511
18656
20932
18153
20449
17735
19870
17232
19291
16730
18808
16312
18229
15809
17746
15391
17167
14888
16684
14470
16395
14219
16105
13968
15912
13800
15622
13549
15043
13047
14464
12544
13982
12126
13402
11623
12920
11205
Indoor coil air temperature
79.0°F DB
80.0°F DB
64.0°F WB
67.0°F WB
TC
SHC
TC
SHC
26440
22825
27219
22817
25834
22302
26595
22294
25229
21779
25971
21771
24724
21343
25452
21335
24118
20820
24828
20812
23613
20384
24308
20377
23007
19861
23684
19854
22502
19425
23165
19418
21896
18902
22541
18895
21391
18467
22021
18460
20786
17944
21398
17937
20180
17421
20774
17414
19675
16985
20254
16978
19069
16462
19630
16456
18564
16026
19111
16020
17958
15503
18487
15497
17453
15067
17967
15061
17150
14805
17655
14800
16847
14544
17343
14539
16645
14370
17136
14364
16343
14108
16824
14103
15737
13585
16200
13580
15131
13062
15576
13057
14626
12626
15057
12621
14020
12103
14433
12099
13515
11667
13913
11663
TOSHIBA CARRIER (THAILAND) CO., LTD.
14/45
16200 Btu/h
13580 Btu/h
636 CFM
82.0°F DB
68.0°F WB
TC
SHC
27997
22834
27356
22310
26714
21787
26179
21351
25538
20828
25003
20392
24362
19869
23827
19433
23186
18910
22651
18474
22009
17950
21368
17427
20833
16991
20192
16468
19657
16032
19016
15509
18481
15073
18160
14811
17839
14549
17626
14375
17305
14113
16663
13590
16022
13067
15487
12631
14846
12108
14311
11672
86.0°F DB
72.0°F WB
TC
SHC
29649
22696
28970
22176
28291
21656
27724
21222
27045
20702
26479
20269
25799
19749
25233
19315
24554
18795
23988
18362
23308
17842
22629
17322
22063
16888
21383
16368
20817
15935
20138
15415
19572
14982
19232
14721
18892
14461
18666
14288
18326
14028
17647
13508
16967
12988
16401
12555
15722
12035
15156
11601
90.0°F DB
75.0°F WB
TC
SHC
31010
22333
30300
21821
29589
21309
28997
20883
28286
20371
27694
19945
26984
19433
26391
19006
25681
18495
25089
18068
24378
17556
23668
17045
23075
16618
22365
16107
21773
15680
21062
15168
20470
14742
20115
14486
19759
14230
19523
14060
19167
13804
18457
13292
17746
12780
17154
12354
16443
11842
15851
11416
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
ENGINEERING
DATA BOOK
Sensible capacity table
Trend of Total & Sensible Heat Capacity / Indoor Air & Outdoor Air Temperature.
Product models:
Outdoor
coil air temp.
°F DB
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
82
85
87
90
95
100
105
110
115
68.0°F DB
57.0°F WB
TC
SHC
29534
23601
28857
23060
28180
22519
27616
22069
26940
21528
26376
21077
25699
20537
25135
20086
24458
19545
23894
19094
23218
18554
22541
18013
21977
17562
21300
17021
20736
16571
20059
16030
19495
15579
19157
15309
18819
15038
18593
14858
18255
14588
17578
14047
16881
13490
14150
11308
12807
10235
8665
6924
RAS-22EKV-UL / RAS-22EAV2-UL
Standard condition
Specification of product at standard condition.
Indoor
Outdoor
Total Cooling Capacity (TC)
Sensible Heat Capacity (SHC)
Air flow volume
80.0°F DB / 67.0°F WB
95.0°F DB / 75.0°F WB
73.0°F DB
61.0°F WB
TC
SHC
32615
25092
31868
24517
31121
23942
30498
23462
29750
22888
29128
22408
28380
21833
27757
21354
27010
20779
26387
20300
25640
19725
24893
19150
24270
18671
23522
18096
22900
17617
22152
17042
21529
16563
21156
16276
20782
15988
20533
15796
20159
15509
19412
14934
18643
14342
15627
12022
14144
10881
9569
7362
75.0°F DB
63.0°F WB
TC
SHC
33388
25619
32623
25032
31858
24445
31221
23956
30456
23369
29818
22880
29053
22293
28415
21804
27650
21217
27013
20727
26248
20140
25483
19553
24845
19064
24080
18477
23442
17988
22677
17401
22040
16911
21657
16618
21275
16324
21020
16129
20637
15835
19872
15248
19085
14644
15997
12275
14479
11110
9796
7516
Indoor coil air temperature
79.0°F DB
80.0°F DB
64.0°F WB
67.0°F WB
TC
SHC
TC
SHC
34927
26661
35956
26547
34127
26050
35132
25938
33327
25439
34308
25330
32660
24930
33621
24823
31859
24319
32797
24215
31192
23810
32111
23708
30392
23199
31287
23100
29725
22690
30600
22593
28925
22079
29776
21984
28258
21570
29090
21477
27457
20959
28266
20869
26657
20348
27442
20261
25990
19839
26755
19754
25190
19228
25931
19146
24523
18719
25245
18639
23723
18108
24421
18030
23056
17599
23734
17524
22655
17293
23322
17219
22255
16988
22910
16915
21988
16784
22636
16712
21588
16479
22224
16408
20788
15868
21400
15800
19964
15239
20552
15174
16734
12774
17227
12719
15146
11561
15592
11512
10247
7822
10549
7789
TOSHIBA CARRIER (THAILAND) CO., LTD.
15/45
21400 Btu/h
15800 Btu/h
636 CFM
82.0°F DB
68.0°F WB
TC
SHC
36984
26466
36136
25860
35289
25253
34583
24748
33735
24142
33029
23636
32182
23030
31475
22524
30628
21918
29922
21412
29074
20806
28227
20200
27521
19694
26673
19088
25967
18582
25119
17976
24413
17471
23989
17167
23566
16864
23283
16662
22860
16359
22012
15752
21140
15128
17720
12681
16038
11477
10851
7765
86.0°F DB
72.0°F WB
TC
SHC
39166
26066
38269
25469
37371
24871
36624
24374
35726
23776
34978
23279
34081
22681
33333
22184
32435
21586
31687
21089
30790
20491
29892
19894
29145
19396
28247
18799
27499
18301
26602
17704
25854
17206
25405
16908
24956
16609
24657
16410
24208
16111
23311
15514
22387
14899
18765
12489
16984
11303
11491
7647
90.0°F DB
75.0°F WB
TC
SHC
40964
25407
40026
24825
39087
24242
38305
23757
37366
23175
36584
22690
35645
22108
34863
21623
33924
21040
33142
20555
32203
19973
31265
19391
30482
18906
29544
18324
28761
17838
27823
17256
27041
16771
26571
16480
26102
16189
25789
15995
25320
15704
24381
15122
23415
14522
19627
12173
17764
11018
12018
7454
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Refrigerant cycle diagram: RAS-09EKV-UL / RAS-09EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
16/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Refrigerant cycle diagram: RAS-12EKV-UL / RAS-12EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
17/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Refrigerant cycle diagram: RAS-15EKV-UL / RAS-15EAV2-UL
RAS-17EKV-UL / RAS-17EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
18/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Refrigerant cycle diagram: RAS-22EKV-UL / RAS-22EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
19/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Air throw chart
TOSHIBA CARRIER (THAILAND) CO., LTD.
20/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Air throw chart
TOSHIBA CARRIER (THAILAND) CO., LTD.
21/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Air throw chart
TOSHIBA CARRIER (THAILAND) CO., LTD.
22/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Air throw chart
TOSHIBA CARRIER (THAILAND) CO., LTD.
23/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Air throw chart
TOSHIBA CARRIER (THAILAND) CO., LTD.
24/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-09EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
25/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-09EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
26/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-12EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
27/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-12EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
28/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-15EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
29/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-15EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
30/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-17EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
31/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-17EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
32/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-22EKV-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
33/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Indoor and outdoor sound characteristic
RAS-22EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
34/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Performance characteristic: RAS-09EKV-UL / RAS-09EAV2-UL
0
-4
TOSHIBA CARRIER (THAILAND) CO., LTD.
35/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Performance characteristic: RAS-12EKV-UL / RAS-12EAV2-UL
0
-4
TOSHIBA CARRIER (THAILAND) CO., LTD.
36/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Performance characteristic: RAS-15EKV-UL / RAS-15EAV2-UL
0
-4
TOSHIBA CARRIER (THAILAND) CO., LTD.
37/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Performance characteristic: RAS-17EKV-UL / RAS-17EAV2-UL
0
-4
TOSHIBA CARRIER (THAILAND) CO., LTD.
38/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Performance characteristic: RAS-22EKV-UL / RAS-22EAV2-UL
0
-4
TOSHIBA CARRIER (THAILAND) CO., LTD.
39/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Wiring diagrams: RAS-09EKV-UL / RAS-09EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
40/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Wiring diagrams: RAS-12EKV-UL / RAS-12EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
41/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Wiring diagrams: RAS-15EKV-UL / RAS-15EAV2-UL
RAS-17EKV-UL / RAS-17EAV2-UL
RAS-22EKV-UL / RAS-22EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
42/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Standard wireless remote controller
TOSHIBA CARRIER (THAILAND) CO., LTD.
43/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
Optional wired connectable remote controller
Model name:
ASM-OPTIONAL-RC (WH-TA14NE) 1111855001  °F Display
ASM-OPTIONAL-RC (WH-TA15NE) 1111855002  °C Display
TOSHIBA CARRIER (THAILAND) CO., LTD.
44/45
ENGINEERING
DATA BOOK
1:1 Inverter Single Split: RAS-09-22EKV-UL / RAS-09-22EAV2-UL
TOSHIBA CARRIER (THAILAND) CO., LTD.
ENGINEERING
DATA BOOK